CompTIA Advanced Security Practitioner CASP+ (CAS-004)

Explore securing network architecture, segmentation, and zero trust; design security into infrastructure, data protection, access controls, cloud and virtualization, cryptography, and emerging technologies' privacy impacts.

Learn how to secure network architecture by implementing segmentation, deep privatization, and zero trust, and merge networks across routers, organizations, and SD SDM.

Understand how routers manage traffic between subnets with flow control and ACLs, how load balancers provide availability, and how firewalls and NAC techniques secure network access with credentials and certificates.

Describe how NAT translates private IP addresses to public ones, concealing internal devices, and outline VPN as a trusted connection across an untrusted network, plus IPS, IDS, and SIEM roles.

Learn DNSSEC, a DNS security extension that provides data integrity and protection against DNS attacks. Examine internet gateway, API gateway, external gateway, and forward and reverse proxies for traffic management.

Discover data protection services and cloud providers offering mail security with physical or virtual appliances, scanning, encryption in transit, DLP, SPF, DKIM, and anti-spoofing.

Explore the purpose and methods of network segmentation, including VLANs, subnets, and guest environments, and learn how edge firewalls and a DMZ create screened subnets with ACLs.

Explore segmentation concepts, including secure box-like host isolation, peer-to-peer networks, air gaps for high-value assets, and virtual data centers (VPCs) in the cloud.

Apply micro segmentation to isolate and protect different workloads individually, achieving higher security; understand regions, availability zones, and zones as cloud constructs, plus stateless security groups and data zones.

Explore deperimeterization and zero trust, explaining how removing boundaries between networks and devices mandates never trust, always verify, and assume breach.

Merge networks from various organizations by applying cross-domain solutions, data sharing policies, and virtual network peering to ensure secure connectivity across on-premises, branches, and cloud environments.

Explore software defined networking using open standards and open source software to create and manage virtual networks and overlays, while avoiding vendor lock-in on existing hardware.

Explore infrastructure security design by examining scalability, resiliency, automation, containerization, and virtualization. Compare modernization and content delivery networks, and explain caching and how client caching enhances security in system design.

Learn the definition of scalability as the system’s ability to handle growing workloads by adding resources on demand, via vertical (scaling up) or horizontal (scaling out) approaches.

Explore resiliency through redundancy, fault tolerance, and high availability to keep systems operating after failures, while diversity of components from different vendors slows adversaries.

Implement action orchestration as a consistent, repeatable response to incidents. Enable distributed allocation, replication, and clustering for fault tolerance and scalability with shared data.

Explore automated auto scaling in cloud infrastructure, using playbooks for security orchestration, incident response, and premeditated tasks to deploy and manage scalable virtual machines.

Explore containerization as os-level virtualization that runs without a hypervisor, comparing containers to virtual machines and highlighting faster, more isolated, and cheaper deployments.

Explore virtualization by running multiple virtual machines on a single host, examine resource limits, and compare on-prem and cloud options, including virtual desktop infrastructure for end-user computing.

Deliver content faster by using geographically distributed servers that cache files at edge locations near users, enabling horizontal scalability and lower latency.

Explore the purpose of caching and how it improves performance by creating copies of static or infrequently changing data, so subsequent requests load faster from a cached location.

Build on infrastructure security by exploring application security and integration, including the objectives, securing applications, and introducing baselines and templates.

Define baselines as the minimum security level and update them after changes or incidents, using baseline templates and policies for databases, antivirus, DLP, and physical security.

Leverage baseline templates and secure reporting standards, like OWASP and the CMU SEI framework, to vet applications and meet organizational security requirements.

Design, publish, document, and analyze APIs within a secure environment, treating APIs as gateway points. Safeguard containers and middleware, which connect systems and can become security gateways if compromised.

Explore software assurance by managing secure, isolated development, testing, staging, and production environments; validate third-party libraries, mitigate hardcoded backdoors, and implement a DevOps pipeline from planning to monitoring.

Explain how code signing ensures integrity and author verification with timestamps and hashes, and how static, dynamic, and interactive application security testing (IAST) integrate in a continuous integration workflow.

Explore considerations for integrating enterprise applications such as CRM, ERP, and CMS, emphasizing secure transmission and least-privilege access controls to protect sensitive data.

Integrate security into the development lifecycle to overcome sdlc shortcomings, embedding security beyond testing across five phases: planning and requirements gathering, design, coding and tests, testing and evaluation, and release.

Integrate security into the five-stage sdlc by shaping planning and requirements, managing dependencies and third-party standards, applying secure coding, thorough testing, and code validation.

Identify regression testing, unit testing, and integration testing within the secure software development lifecycle, and assess whether code changes break existing functionality while ensuring components work together.

Compare development models like waterfall and spiral, noting risk analysis and stakeholder input, and learn how Sec DevOps and DevSecOps shift security left into the life cycle.

Apply data security techniques to protect data across its lifecycle, integrating security across architecture, infrastructure, and application layers.

Explore the data lifecycle from creation to destruction, including storing, sharing, and archiving, guided by a policy for data imports, processing, and archival.

Classify data as unclassified, confidential, or top secret and manage it accordingly to protect critical assets, such as unreleased movies, from leaks while following the CIA.

Block external media and cloud storage, enforce printing and clipboard restrictions, and use data classification with labeled containers to apply privacy controls and restrict VDI for data loss prevention.

Explore data loss prevention techniques, distinguishing detection from prevention, and use watermarking, security and classification labels, drm, and traffic decryption with deep packet analysis to inspect data flow.

Explore data obfuscation and masking techniques, including anonymization, tokenization, and scrubbing, to protect privacy and personal data, with reversible and irreversible tokens used in credit card processing.

Explore authentication and authorization controls, focusing on credential and password management, federated trust methods, authentication protocols, and identity proofing.

Explore credential and password management from repositories, on-prem and cloud storage, to password managers, hardware key managers like TPM and HSM, privileged accounts, and robust password policies.

Explore federated trust methods like transitive trust and a central IDP that authenticates users for applications, with SAML as the most famous form of federation.

Explore access control models from discretionary and mandatory to role-based, rule-based, and attribute-based controls, highlighting per-object access, need to know, and policies with conditions.

Explore common authentication protocols used in federal certification contexts, including radius, tacacs, tacacs+, diameter, ldap, kerberos, and eap; understand single sign-on, identity duration, and related authorization concepts.

Explains identity proofing mechanisms, including multifactor authentication with something you know, something you have, and something you are, plus time-based and HMAC-based one-time passwords and TPM hardware.

Explore cloud and virtualization solutions, including virtualization, containerization, and emulation, and review architecture, infrastructure, data, application, and authorization controls with a focus on transition capabilities.

Explore virtualization to run multiple virtual machines on a host, sharing resources and cutting capex, while learning about type 1 and type 2 hypervisors, VDI, and application virtualization.

Containerization differs from traditional virtualization by using a container engine and registry instead of a guest OS, enabling lightweight apps that run consistently across any infrastructure.

Emulate hardware and software resources to run operating systems designed for different architectures, using emulators that mimic a processor to run console games on a computer.

Define cloud as on-demand resources and explain cloud segments (public, private, community, hybrid) and service models (IaaS, PaaS, SaaS) with cost, location, scalability, and data protection considerations.

Compare cloud storage types—block-based, object-based, and file-based—and note OS implications. Survey relational and no-SQL databases, including document, columnar, graph, in-memory, time-series, and ledger models.

Explore how cloud misconfigurations and human error drive data breaches, and how automated provisioning, templates, and pay-as-you-go models reduce manual mistakes and cut costs.

Demonstrates Alibaba Cloud's services, including object storage buckets and elastic compute, with VPC networking. Explore data classification and security controls to manage cloud risk.

Explore cryptography and public key infrastructure, focusing on asymmetric cryptography with two keys for encryption and decryption, common use cases, and PCI-related issues.

Memorize core cryptographic terms such as plaintext, ciphertext, encryption, decryption, and hashing. Recognize that the key or crypto variable is a secret value that controls the encryption and decryption process.

Key space defines key sizes across algorithms, where larger keys require more processing time; algorithms are public, but keys remain private, with symmetric and asymmetric cryptography.

Explore terms in cryptography, cryptology, and cryptanalysis, and how definitions shape encryption, decryption, and breaking codes. See how crypto systems use keys and cards for secure communication.

Public key infrastructure uses public and private keys to encrypt data with the recipient's public key, letting only the private key holder decrypt, without a secure key-exchange link.

Explore public key infrastructure concepts, including certificates, certificate authorities, certificate chains, and key management, with emphasis on X.509 standards, certificate details, and revocation lists.

Generate a certificate signing request on the target device, specify the intended purpose, and explore trust models, cross certification, and certificate stores that validate identities.

Explore common PKI use cases centered on digital certificates for confidentiality, authentication, integrity, and non repudiation, including code signing and digital signatures across devices, safeguarded by hardware security modules.

Identify common certificate issues, including CSR errors, wrong template or purpose, revoked or expired certificates, and broken chains, plus self-signed certificates and misconfigured signing algorithms or cipher suites.

Explore the impact of emerging technologies on security and privacy, including artificial intelligence, machine learning, deep learning, AR/VR, quantum computing, blockchain, secure multi-party computation, big data, and 3D printing.

Understand artificial intelligence, including machine learning and deep learning, and how neural networks enable learning and prediction, plus the basics of adversarial artificial intelligence.

Explore how virtual reality creates real-world simulations by mapping computer-generated sights and sounds onto real objects, enabling training, testing, robotics, manufacturing, and pharmaceutical applications.

Explore quantum computing as a practical nanotechnology that manipulates matter at the atomic level with qubits, exposing how qubits hold states and enable exponentially powerful machines already built.

Explore blockchain's cryptographic system that records, stores, and shares information to prevent alteration, while linking blocks by hashes to form a distributed digital ledger.

Explore homomorphic encryption, enabling computation on encrypted data without decrypting it, and its role in metadata screening and data loss prevention for sensitive information.

Explore secure multi-party computation by distributing computation across multiple systems, ensuring no single point of failure and protecting sensitive data.

Explore distributed consensus as a network of systems that vote to reach agreement, akin to blockchain, where security and trust emerge from collective validation among potentially unknown participants.

Identify big data as extremely large, complex datasets from new sources that traditional software and databases can't manage, and recognize its role as a top AI application for housing data.

Explore how 3D printing constructs three-dimensional objects layer by layer, enabling applications in health care, car parts, prototypes, and hobbyist projects, while acknowledging the dark side of 3D printed firearms.

Analyze organizational requirements to design a secure network architecture with segmentation, zero trust, and software defined networks, then address scalability, resiliency, automation, virtualization, containerization, CDM, and caching.

Explore how to securely integrate software applications into enterprise architecture, set baselines and templates, apply testing techniques, and manage data lifecycle data classification management, DLP, and watermarking.

Analyze authentication and authorization controls, compare pass phrases to passwords, and review federated trust, Metis Federation access control models, MAC attribute base, and rule-based approaches to secure cloud and virtualization.

Explore cryptography and crypto systems, including asymmetric cryptography with private/public key pairs and certificates, and use cases like encryption and digital signing, plus artificial intelligence, blockchain, and quantum computing.

Master threat management frameworks, cyber kill chain concepts, and threat intelligence to identify and mitigate adversary techniques, while covering vulnerability management, ethical testing, patching, incident management, and digital forensics.

Delve into threat management by studying frameworks, talent types, how to collect intelligence, and threat actors in topic 2.1 of the CASP+ course.

Explore different frameworks, including adversarial tactics, techniques and common knowledge, and analyze their relevance to industrial control system, the diamond chain model for intrusion analysis, and the cyber kill chain.

Explore the tdps framework to model attacker tactics, techniques, and procedures and improve post-compromise detection across adversaries, threat hunters, and red teams.

Explore a framework and sub-framework for industrial control systems, including SCADA, DCS, PLC, and RTUs, and discuss threats and attacks targeting these systems.

Master the diamond model for intrusion analysis, visualizing events with four core traits—infrastructure, adversary, capability, and victim—and how adversaries use these traits to exploit victims.

Explore the cyber kill chain, a seven-step adversary process - reconnaissance, weaponization, delivery, exploitation, installation, command and control, and actions on objectives - developed by Lockheed Martin to reveal loopholes.

Explore the intelligence types, including tactical, strategic, and operational intelligence, and their collection methods, such as deep ocean and HUMINT, with a key one-line definition to remember.

Identify three intel types—technical, strategic, and operational—and their collection methods: tdps, leadership reports and critical documents, trade secrets, and security logs with backup tapes.

Understand threat intelligence feeds as continuous data streams revealing URLs and IPs linked to bots, ransomware, malware, and phishing campaigns, with free and paid options and deep web context.

Explore open source intelligence (osint) that collects data from the internet, media, and government data. Contrast it with human intelligence (humint) gathered through interpersonal contact, meetings, interviews, and social engineering.

Explore threat actors, including nation-state backed advanced persistent threats that remain undetected, insider threats from within, cyber espionage by competitors, hacktivists, unskilled individuals using others' scripts, and organized crime.

Explore major threat frameworks like the cyber kill chain and MITRE ATT&CK, reviewing tactics from initial access to C2, plus open-source threat intelligence feeds for ICS and networks.

Identify indicators of compromise and responses, and examine safeguards and responses across the two topics in topic 2.2.

Explore indicators of compromise by examining packet capture (pcap), logs, and notification sources such as IRC to detect suspicious activity.

Explore packet capture to obtain and analyze data packets traveling through a network, using packet analysis and protocol analysis with tools like Wireshark and PCV dump for frame-by-frame inspection.

Identify logs as records of events and information from OS, applications, and users; central repositories and SIEMs organize diverse log types for diagnosis and security responses.

Identify indicators of compromise by examining various locks—operating system, application, and network logs—and messages that reveal success, failure, and potential vulnerabilities.

Explore alert and notification sources from antivirus, intrusion detection system, intrusion prevention system, DLP, and file integrity monitoring; clarify SIM, SEM, and SIEM distinctions.

Identify safeguards and responses to threats, including firewalls, idps, acls, encryption, dlp, and access controls. Note how signature-based and behavior-based rules trigger automated alerts or actions.

Explore vulnerability management in topic 2.3 by examining vulnerability assessment types, information sources for vulnerabilities, and patch management, ending with dependability scans.

A vulnerability scan identifies, discovers, analyzes, and reports security flaws, using authenticated or unauthenticated, credential-based or credentialless methods, including agent-based or agentless approaches.

Prioritize remediation with a standardized vulnerability score from high to low, fixing gaps. Describe active scans for endpoints and passive scans for network flow and protocols, noting Telnet risks.

Discover how SCAP standardizes security checklists and configuration docs in XML using XCCDF and ARF data model. Understand OVAL and the three assessment phases: system information, machine state, and reporting.

Explore the security content automation protocol, including common platform and configuration enumeration, and how CPE, CCE, CVE, and CVSS enable standardized naming and severity scoring.

Understand two vulnerability assessment types: self-assessment, an internal audit using active and passive scans, and third-party assessments by an external security vendor.

Identify and compare common information sources for vulnerabilities, such as advisories, news reports, bulletins, and information sharing and analysis centers, and understand how intel feeds reveal exposure.

Define patch management as testing, packaging, and distributing software updates in isolated environments, then validating fixes via scanners. Coordinate deployment across groups to address security patches and vulnerabilities.

Explore vulnerability assessment and penetration testing concepts, including test types, testing tools, and the required methods and requirements. Understand how ethical considerations distinguish legitimate testing from attacking.

Explore common test types in security assessment, including static analysis via peer review and dynamic analysis of running code, plus packet capture, traffic analysis, side-channel, reverse engineering, and wireless policies.

Examine software composition analysis to identify open source elements and flaws, then explore fuzzing tests to reveal defects, while understanding lateral movement, post exploitation, and persistence.

Explore tools for testing, including a network traffic analyzer, port scanner, protocol analyzer, and interceptor to inspect and manipulate traffic for security assessments.

Explore SEC framework and exploit frameworks, and tools such as scalp scanner, credibility scanners, password tracker, rainbow tables, and dictionary attacks, plus dependency management to identify vulnerabilities and patch gaps.

Shape the scope of work for security assessments, detailing assets, white box and black box testing, location, and reporting. Enforce rules of engagement, non-disruptive testing, NDAs, and encrypted deliverables.

Define the scope and rules of engagement for security testing, covering physical and logical access, testing windows, and post-test reevaluation to verify fixes.

Introduce topic 2.5 vulnerabilities and attacks, focusing on the core concepts of vulnerabilities and attacks to frame the discussion.

Identify the most common vulnerabilities, including buffer overflow, broken authentication, insecure references, cipher suites, improper headers, and certificate errors, and understand definitions for security exams like security plus and casp+.

Explain race conditions, time-of-check and time-of-use flaws, and buffer overflow, then cover broken authentication and certificate misconfigurations that affect ssl, digital signatures, and cryptographic keys.

Identify and mitigate vulnerabilities such as insecure references, exception handling, misconfigurations, and improper cryptographic choices; guard against information disclosure with secure headers and cipher suites; tailor baselines to business models.

Explore various attack types, including application attacks, revelation attacks, injection attacks, and infrastructure attacks. Compare how each category targets systems and security layers.

Explain the common web attacks—cross-site scripting (stored and reflected xss), cross-site request forgery (csrf), and directory traversal—by showing how attackers inject scripts, exploit user trust, and access server files.

Understand the most common injection attacks—axial, sql, and ldap injection—and how improper input validation and sanitization lets attackers read, modify, or bypass data and payments.

Explore injection attacks, including OS command injection and SQL injection, and learn how attackers bypass authentication. Examine process injection to insert code into running processes and evade detection.

Explore infrastructure security threats, including sandbox escape, virtual machine escape, and VLAN hopping, and learn how BGP route hijacking disrupts networks and bypasses layer-two and host isolation.

Explore denial of service and distributed denial of service attacks, botnets and command-and-control infrastructures, and how social engineering exploits human weaknesses to gain unauthorized access.

Explore the types of security controls and their role in the risk reduction process, as covered in topic 2.6.

Identify the three major security control categories—administrative, physical, and logical—and explain their order, role, and examples like policies, perimeter security, and firewalls, IDPS, and SIEM.

Administrative security controls center on policies, procedures, and guidelines guiding the human factor from top management to security staff, including hiring, firing, and auditing practices.

Discover physical security controls that detect, deter, and prevent unauthorized access through deterrents, detection sensors, and locks, fences, and barriers; examine how administration crafts policies and procedures.

Logical security controls, or technical controls, use technology to manage access with encryption, firewalls, SIEMs, and IDs/IPS, supporting integrity and availability through SOAR and DLP.

Learn how to classify incidents, triage events, and coordinate incident response, including communication plans and stakeholder notifications, tailored to different bodies of knowledge.

Define incidents and security incidents, explore how classification guides incident response, and confirm roles and policies for teams like CRT, CSIRT, or CSIRO computer security incident response teams.

Define triage by assigning a level of importance and urgency to incidents. Direct escalation to specialized teams based on impact and security relevance, with clearly defined processes.

Explore incident response with a plan that defines preparation, indication, containment, recovery, and lessons learned, plus playbooks for ransomware, other attacks across endpoints and networks.

Explore incident response through six processes—preparation, identification and detection, containment, eradication, recovery, and post-incident activity—driven by security baselines and tested controls, with analysis and lessons learned.

Assess secure and out-of-band channels for incident response, document allowed and bad channels, follow policies and procedures, and disclose incident status only to need-to-know trusted parties on the call list.

Coordinate stakeholders in incident management through communication between internal departments and external agencies, from management and board of directors to legal counsel, human resources, public relations, law enforcement, and regulators.

Explore digital forensics concepts, including the forensics process, chain of custody, data acquisition, cryptanalysis, tech analysis, forensics images and clones, evidence preservation, and the forensic workstation.

Forensics investigations split into internal and legal categories, with internal cases potentially becoming legal due to policy violations or illegal activity, and the lecture outlines steps in the forensic process.

Identify, collect, analyze, and report evidence while ensuring crime scene safety, defining scope, obtaining permission, using legally compliant tools, and preserving integrity through copies and hashes.

Document every transfer of evidence through a signed, timestamped chain of custody to preserve integrity from collection to court presentation, including hardware or electronic data.

Maintain chain of custody by sealing and labeling physical evidence, assigning the crime scene ID, preserving it with metadata, and storing it under physical controls in evidence rooms.

Acquire a forensically clean copy of digital evidence by cloning data exactly. Document chain of custody and secure storage, ensuring the evidence is legally obtained and addressing crypto shredding.

Explore cryptanalysis and steganalysis as the art and science of cracking cryptographic schemes, breaking encryption, finding keys, and revealing hidden messages in cover files.

Forensic images and clones provide bit-by-bit duplicates of electronic media to preserve original evidence; images support analysis, while clones serve as working copies for multiple tests.

Build a digital forensic kit with hardware and software tools to collect and analyze evidence, featuring multiple ports and offline hardening to prevent access outside approved IP ranges.

Explore forensic analysis tools, including file carving and binder analysis, and distinguish between analysis and binder analysis while understanding large collections and common smart tools.

Explore forensic analysis with file carving to identify and recover files from formats without metadata, revealing hidden or deleted data, and examine binary analysis as a code review of binaries.

Explore forensic analysis tools such as network mappers (Nmap/Zenmap), volatility, and Wireshark, along with imaging and hashing practices (SHA-256) to preserve chain of custody during live and post-collection analysis.

Explore domain 2 review covering threat actors, intelligence types, and indicators of compromise, with responses and safeguards including antivirus, siem solutions, APIs, insider threats, and ISIS cyber caliphate.

Domain 2 review covers ability management and patch management, vulnerability testing types, and the roles of auditability, scope, and rules of engagement in pen-testing and security testing.

Explore the domain 2 review by mapping attacks, defense tools, and assessments while detailing administrative, physical, and logical security controls, incident management, and out-of-band communications.

Explore digital forensic concepts and forensic analysis tools, emphasizing chain of custody and lawful data acquisition. Review forensic images, clones, and offline forensic workstations with Linux tools.

Explore secure configuration for enterprise mobility management, device hardening, cloud security, serverless computing, cloud access security broker, key management, storage options, and cryptographic algorithms with PCI considerations.

Explore secure configurations for enterprise mobility by examining enterprise mobility management and integration deployment scenarios, and gain an overview of this domain.

Secure corporate data and manage access for corporate and employee-owned devices through enterprise mobility management, including MDM, policies, and services across multi-OS environments.

Explore the three major components of the MRM: mobile device management, mobile application management, and mobile content management, and how policy, process, and technology enforce security baselines.

Enterprise mobility management (emm), including mdm and mam, to create and enforce policies that secure, monitor, and manage end-user devices and enterprise apps, and distinguish mobile content management.

Explore managed configurations under MDM, including application control and mobile application management, password policies, biometric authentication, MFA, conditional access, and token-based access to protect resources.

Manage patch repositories and pipelines to securely distribute security patches to end-user devices in a controlled, scheduled manner, and create isolated corporate profiles to protect data.

Examine how Bluetooth and NFC risks—eavesdropping and man-in-the-middle—drive managed configurations and baselines, and how certificate-based authentication with conditional access and revocation restricts trusted devices.

Explore vpn configurations at device, application, and web-based levels, including browser traffic protection, dns encryption, custom dns blocking of malicious sites, and cloud dns reputation with user and site analytics.

Explore managed configurations for location services, including GPS fallback via Wi‑Fi and Bluetooth triangulation, geofencing with alerts and access controls, and geotagging metadata for asset management.

Learn how managed configurations enable tethering and hotspots, airplane mode, and device encryption that automatically encrypts data on disk and decrypts before returning it to the calling process.

Explore common deployment scenarios including corporate owned devices, corporate owned and personally enabled policies, choose your own device, and bring your own device, all under mdm/emm governance.

Explore mobile device reconnaissance and identify personal data on devices, including IMEI, SIM, geolocation, call logs, contacts, calendars, emails, messages, health data, app data, and media.

Identify security considerations such as unauthorized remote activity, activation or deactivation, insecure channels, physical reconnaissance, data exposure on devices and wearables, and risks from jailbreaking, sideloading, containerization, and supply chain.

Explore endpoint security fundamentals, including hardening techniques, patching, logging, mandatory access control, trustworthy computing, host security controls, and EFI versus BIOS security.

Explore practical hardening techniques across mobile, Windows, Linux systems by following best practices, removing unnecessary services, imaging, patch baselines, and applying defense in depth through risk assessment and compensating controls.

Explore hardening techniques by applying STIGs and benchmarks from DISA, CIS, and CIA, using gap compliance checkers to validate configurations and build a minimal, effective security baseline.

Master hardening techniques by disabling unused accounts, limiting local admin access, and using templates for security baselines; perform risk analysis on end-of-life and unsupported components for management.

Explore hardening techniques that separate code and data in memory, use no-execute and execute-never concepts, and implement memory encryption to protect sensitive information in protected memory regions.

Encrypt all stored data to secure persistence and encrypt credentials, then restrict access to prevent unauthorized interaction. Memory hardening counters buffer overflow and obscures memory locations.

Explore protection processes by examining patching and logging and monitoring. Apply the concepts of patching and logging and monitoring to reinforce protection processes.

Patching fixes vulnerabilities identified after software release and is managed through patch management. It can be manual, automated, or a hybrid approach across operating systems, firmware, applications, and cloud resources.

Activate a people-driven patching program that aligns people, process, and technology with up-to-date vulnerability knowledge, prioritizing Windows, drivers, firmware, and cloud on-prem updates.

Patching (cont.) covers patch management with a sandboxed testing environment, parsing activity logs and status updates, and emphasizes rollback, quick patch deployment, critical patches on different channels, and periodic evaluation.

Logging captures events that reflect the system state, and monitoring relies on logs to provide a holistic view with historical data; without logging, monitoring cannot occur.

Define mandatory access control, identify the subject and object, and explain how the MAC system decides access to resources like files and videos in Linux and Android contexts.

Security-enhanced Linux (SELinux) is a security architecture for Linux, enforcing mandatory access control to limit what software can be installed or run.

This lecture explains SELinux's default-deny principle, requiring explicit permissions, and enforces mandatory access control with least privilege and need-to-know, focusing on permissive and enforcing modes for government contexts.

Explore SEAndroid, where the Android security model enforces manufacturer control and root privileges across all processes, highlighting Android's Linux roots and boot-level protections.

Assess trustworthy computing by exploring attestation services, hardware security modules, bios, and encryption drives within modern secure platforms.

TPM serves as a dedicated chip on the motherboard that stores encryption keys, certificates, and hashed passwords, enabling secure encryption, signatures, and key storage via the endorsement key.

Explore how UEFI and BIOS boot a system by loading the operating system from the drive into memory, with UEFI offering integrity checks and advanced security features beyond BIOS.

Secure boot prevents loading an untrusted OS by validating digital certificates from valid OS vendors on EFI, with firmware verifying the bootloader and kernel; TPM is not required.

Explore measured boot and trust boot concepts, including platform configuration, pcrs, and the recording of boot information at each stage, from bootloader to kernel and other critical drivers.

Examine attestation services that verify the integrity of the boot process and runtime operations, using OEM secure boot information and code signing to prevent unauthorized changes from startup to shutdown.

Hardware security modules centralize PCI management and support key archival or escrow, not general purpose, and can be rack-mounted as PCIe cards or USB peripherals, offering a smaller attack surface.

Self-encrypting drives use a dedicated processor to encrypt data transparently, reducing host memory and overhead. They conform to standards like FIPS 140-2; verify compliance to assess security.

Implement host security controls with antivirus and application control to manage software installation and prevent unauthorized uninstall. Use edr and firewalls with behavior analysis to strengthen host and network protection.

Explore security considerations and the impact of embedded devices and industrial control systems, and examine the common protocols and sectors that use ICS.

Identify and compare three device types within the casp+ exam scope: internet of things, system on a chip, and microcontrollers, noting microcontrollers are highly vulnerable.

Explore how internet of things enables sensors, software, and network connectivity to power smart devices like washing machines, air conditioners, and cars through machine-to-machine communication and data sharing.

Explore the security challenges of IoT, including limited encryption, data stored on chips, and sparse update patches, and the impact of power constraints on home and corporate devices.

Understand how a system on a chip packs cpu, memory, and peripherals like usb controllers and ports into a compact unit; a component failure may require replacing the system.

Microcontrollers are fast, pre-programmed chips with a dedicated instruction set for simple, repetitive tasks, running without an operating system. During manufacturing, vendors pre-program most instructions into the device.

Explore industrial computer systems and industrial control systems, focusing on programmable logic controllers and SCADA networks, and examine their role in supervising ventilation and air conditioning.

Industrial control systems coordinate automation across power, telecom, manufacturing, and logistics. They use pulses and controllers; security concerns include failure or exploitation causing environmental harm or loss of life.

Programmable logic controllers act as digital computers for automation in industrial control systems, featuring a human machine interface for input and output, and a data historian for controller data.

Explore supervisory control and data acquisition (SCADA) as a collection of computer networks that supervise machines and processes in power, water, traffic, logistics, with insecure protocols prone to DoS attacks.

Manage hvac systems through embedded software and temperature humidity sensors to maintain optimal building conditions, but isolate them from the work network to prevent attack and firmware risks.

Identify common protocols used in ICS, such as CAN bus for vehicle communication, Modbus, DNP3, and the Common Industrial Protocol, and explain data distribution service for automation orchestration and QoS.

Examine safety instrumented systems that monitor industrial processes with sensors and alarms, evaluate air quality and CO2 levels, and employ a logic solver with final control elements to save lives.

Identify sectors that use industrial control systems and industrial computers, with health care top for human safety, MRI and X-ray equipment, followed by industrial, manufacturing, energy, facilities, and logistics.

Explore cloud adoption and its impacts, including business continuity, disaster recovery, key management, PCI, API options, storage configuration, logging, monitoring, and common cloud misconfigurations.

Develop business continuity and disaster recovery plans for natural and manmade disasters, cloud adoption, and outages across regions; assess legacy apps, costs, GDPR, and vendor lock-in risks.

Tie keys to a single identity, rotate them, and never store them with protection services. Use centralized or programmatic key management kept by the customer or a trusted provider.

Learn how data dispersion and topographic splitting protect sensitive data by dispersing encrypted data across multiple locations, limiting complete dataset exposure, and applying a second encryption pass for resilience.

Discover how serverless apps run code as functions or microservices, spinning up containers on demand and destroying them after execution, with no server management and notable security and recovery considerations.

Enable and configure cloud logging and monitoring to support security investigations and regulatory compliance using CloudTrail, CloudWatch, and Azure Monitor logs.

Explore cloud access security brokers (casb) as multi-vendor tools that monitor user activity, audit resources, scan for malware, mitigate exfiltration, and deploy via proxy, api, or user-traffic architectures.

Explore cloud misconfigurations as a leading breach driver, and learn how cloud-specific policies, change control, monitoring, automation, and zero-trust IAM can prevent improper provisioning, overspend, and data exposure.

Explore the public key infrastructure, its components, and the role of certificates and traffic issues; relate encryption and algorithms and learn how to implement and choose options.

Explore PKI through digital certificates, their contents like serial numbers, signature algorithm, subject name, and validity, and the roles of authorities and enrollment, verification, and revocation.

Generate a CSR on the device, select the certificate type and purpose, and explore PKI trust models, cross certification, and certificate profiles for web, server, and authentication.

Identify common certificate and cryptographic key issues, including incorrect names, wrong certificate type, expired validity, revocation status, weak signing algorithms, and improper key handling.

Explore how PKI certificates validate remote identities and secure software, and examine cloud adoption, monitoring, and governance with a practical demo of cloud monitor, alerting, and compliance workflows.

Explore hashing, asymmetric algorithms, and cryptographic applications and protocols to understand core cryptography concepts today.

hashing is a one-way mathematical function that is easy to compute but impossible to reverse. it provides integrity verification and message authentication through collision resistance.

Identify common hashing algorithms including MD5 (128-bit) and SHA variants (SHA-0 to SHA-3 with 160-bit output), note ChaCha's variable output, and that Bitcoin uses SHA-256.

Explain how hashing creates a message authentication code via hmac, using a message and a secret key. Show how it pairs with ChaCha20 and Poly1305 for speed.

Symmetric algorithms use the same key for encryption and decryption, faster than asymmetric methods, with keys, but face key management and key exchange challenges, including stream and block cipher types.

Compare stream ciphers and block ciphers in symmetric encryption, noting key streams, fixed-size blocks, and modes of operation, with examples like rc4, cha-cha20, salsa20, and advanced encryption standard.

Explore asymmetric algorithms that use public and private keys for encryption and decryption, enabling confidentiality, integrity, non-repudiation, authentication, digital signatures, and secure key exchange.

Discuss asymmetric algorithms, including RSA and ECC, and how modular arithmetic enables key exchange over insecure channels; compare RSA and ECC key sizes and digital signatures.

Explore cryptographic applications and protocols, including SSL/TLS for private connections, IPsec with AH/ESP, SSH, and EAP-based authentication (PEAP, EAP-TLS, EAP-FAST) with RADIUS and Diameter and 802.1X, plus PBKDF2 key stretching.

Review domain focuses on secure enterprise configuration, device management, and endpoint security, covering policies like password and patch management, mobile forensics, access controls, and TPM-based security.

Explore industrial control systems, common ICS protocols, and sectors using them, while examining cloud adoption concerns, business continuity, disaster recovery, and key management practices or storage configuration for ICS.

Review domain 3 topics including certificate chains, trust models and trust relationships, hashing, symmetric cryptography, block and stream ciphers, protocols like ipsec and ssl, and digital signatures.

Explore risk management, governance, compliance, and business continuity, covering risk frameworks, assessment methods, insider and vendor risk, information governance, enterprise governance, disaster recovery planning, regulations, and testing.

Explore the core concepts of risk management, frameworks, assessment methods, insider risk, and vendor risk management. Learn practical strategies for assessing and mitigating risks across organizations.

Define risk as the likelihood of a threat exploiting a vulnerability. Show how it varies by organization and guide top management to reduce risks to an acceptable level.

Learn risk management concepts, including likelihood and impact, risk management phases, and responses such as accept, deny, transfer, and mitigate to protect mission and business critical functions.

Track risk with KPIs and KRIs, measure performance against goals along the journey, build a risk register with mitigations, and deliver timely, accurate risk reports.

Identify assets, vulnerabilities, exposure, threats, risk, and attacks, and explain how safeguards mitigate risk to protect tangible, intangible, and human resources.

Explore risk management concepts by examining the risk control categories—people, process, and technology—and highlight training, policies, standard procedures and guidelines, plus a security baseline before adopting technology.

Risk frameworks provide the structure for the risk management program and vary by organization’s business model, sector, country, and regulatory requirements, while sharing common components.

Explore the seven-step risk management framework used by U.S. federal agencies: prepare, categorize, select, implement, assess, authorize, and monitor, and learn how to apply it to risk management.

Explore the csf cybersecurity framework, its five functions—identify, protect, detect, respond, recover—and its risk management steps, including creating client profiles, risk assessments, target profiles, gap analysis, and action plans.

Explore key risk management frameworks, including ISO 1000 family standards, enterprise risk management, Risk ID framework, and operationally critical trade assets for IT governance and security risk assessment.

Identify assets, vulnerabilities, and threats; rank risks by severity and likelihood, balance safeguard costs with asset value, and apply quantitative and qualitative risk assessment in hybrid analysis.

Define assets and assign dollar values, then determine exposure factor and annualized rate of occurrence to compute annual loss expectancy. Compare safeguards using cost-benefit analysis to value the safeguard.

Learn cognitive risk assessment and risk analysis by ranking risk on a relative scale with scenario-based methods, interviews, polls, and gap analysis while measuring tco, roi, and mttr.

Identify and compare risk responses such as risk reduction, risk transfer through insurance, risk acceptance (risk tolerance), deterrent controls, avoidance, and outright rejection.

Assess residual risk after you implement the safeguard, distinguish inherent risk as natural exposure, and align risk appetite and tolerance with top management to guide risk mitigation and response.

Master insider risk management with role-specific job descriptions, separation of duties, and mandatory rotation. Leverage job rotation and cross-training to reduce fraud, misuse, and enable effective audits.

Apply the principle of least privilege and need-to-know to restrict data access, and enforce onboarding, offboarding, exit interviews, revoking access, and security training for compliance.

Describe vendor risk management within the shared responsibility model, separating security of the cloud (provider) from security in the cloud (customer). Identify IaaS, PaaS, and SaaS roles and duties.

Apply the shared responsibility model: the customer handles data security and configurations, while the cloud provider secures the cloud, with encryption and IAM policies shaping data safety.

Define and enforce vendor policies, procedures, and SLAs to align vendor risk with corporate policies. Assess vendor availability, lock-in risks, audits, and contracts to ensure ongoing support and compliance.

Examine vendor risk management, focusing on incident reporting across legal contracts, GDPR and geographic data governance, and perform risk assessments for global deployments with EU regions.

Explore supply chain risk in vendor operations, emphasizing visibility, ISO compliance, and third-party dependencies. Assess vendor policies, prove compliance, and review Cloud Security Alliance and cybersecurity maturity model certification practices.

Establish vendor risk management policies, credential controls, federation approaches, and transmission rules; evaluate vendors with metrics, segmentation, a vendor VLAN, and technical testing across on-prem, private cloud, and csr certifications.

Explore governance and compliance strategies for managing critical data assets, covering regulations, accreditations and standards, legal considerations, and contracts such as non-disclosure agreements.

Differentiate governance from information security by noting governance creates policies, procedures, and baselines, while information security governance maps management and decision rights; include third-party governance and PCI DSS obligations.

Explore compliance as policy, regulation, law, or standard, and see how governance, risk management, and compliance (GRC) drive policy enforcement through information security management.

Identify and protect critical data assets by classifying data types such as PII, PHI, personally identifiable financial information, and intellectual property, and comply with laws when storing PHI.

Explain how data is classified by criticality and adverse effects, with levels like confidential, sensitive, and public, and how the data owner assigns labels and enforces retention and protection policies.

Analyze data retention and deletion, including data sanitisation and destruction, and legally compliant removal of labels, metadata, and logs through clearing and purging like crypto shredding and key destruction.

Manage critical data assets by addressing storage location, data subjects, cross-border legal risks, GDPR compliance for EU data, data collection limits, and a clear privacy policy with opt-out.

Evaluate third-party compliance by assessing a vendor’s cybersecurity program to meet your organization’s requirements and mitigate financial, regulatory, or reputational risk, guided by the attestation of compliance (AOC).

Regulation describes legal and compliance requirements and consequences, such as GDPR, while standards from ISO and NIST provide detailed requirements to be compliant with the DPR.

Explore the general data protection regulation (gdpr) and why eu data protection matters for organizations. Grasp the data protection principles, breach notification, privacy policy, and penalties for noncompliance.

Examine regulation and act-based privacy protections for children under 13, parent consent, and clear privacy policies, plus CSI Star's cloud security and privacy controls evaluation.

Learn how the PCI DSS data protection standard governs organizations that accept, process, store, or transmit card data, and explore the capability maturity model integration from initial to optimizing.

Explore how legal contracts enforce compliance with external standards such as PCI DSS, HIPAA, COPPA, CFPA, Gramm-Leach-Bliley Act, GDPR, and PIPEDA.

Explore the differences between certification and accreditation, including ISO 27001 auditing and third-party verification, and understand U.S. federal government certification and accreditation processes with initiation, certification, accreditation, and continuous monitoring.

Explore legal jurisdiction across federal, state, local, and international levels, and apply legal holds to preserve information. Learn how e-discovery classifies, collects, and writes electronically stored information to support cases.

Explore contract and agreement types including Massachusetts agreement, master service agreement, service level agreement, operational level agreement, and confidentiality or non-disclosure terms to define timelines, responsibilities, and safeguards.

Explore non-binding agreements like memorandums of understanding and interconnection security agreements that define rules of engagement between customers and auditors, plus privacy level and star certification for cloud security.

Explore export controls driven by national security and foreign policy, covering commodities, software, conventional arms, dual-use technologies, advanced weaponry, and encryption laws to prevent terrorists from acquiring them.

Explore GDPR provisions, data subject rights, controller and processor roles, transfers to third countries, supervisory authorities, penalties, and enforcement, with HIPAA, COPPA, and encryption policy context.

Explore business continuity planning and disaster recovery planning, including their planning and testing aspects, in topic 4.3 of the casp+ course.

Establish a policy-driven business continuity plan with disaster recovery planning, risk assessment, and business impact analysis, and maintain it through change and configuration management to stay up to date.

Develop a continuity planning policy, conduct a business impact analysis, identify critical assets, and implement preventive measures; design contingency strategies across cloud and gcp environments, with testing and training.

Explore business continuity planning and disaster recovery, emphasizing RPO, MTD, and the recovery of critical systems. Identify essential functions and legal requirements to validate backups and restore operations.

Assess privacy impact and define data storage locations across on-prem and cloud deployments, regions, and availability zones. Ensure data collection, processing, transfer, and breach responses comply with laws and standards.

Assess alternate operating facilities to carry out business and mission critical tasks in case of a disaster, protecting the company from money loss. Plan and design the disaster recovery plan (DRP), acknowledging that planning and designing take time, and coordinate the switch to an alternate location based on site type, automation controls, or manual processes as a risk-based decision with top management and other stakeholders.

Compare disaster recovery site options: cold, warm, hot, and mobile sites, highlighting activation times, maintenance demands, and costs from empty electricity-only facilities to scaled-down data centers.

Explore disaster recovery options from hot sites to mobile modular data centers, highlighting near real-time activation, the high cost of hot sites, and service-based mobile center deployments.

Configure cloud as a warm site for disaster recovery using public cloud as PCR business continuity. Compare cloud-based DR as a service with on-prem recovery across regions.

Coordinate incident response across management, information assurance, it support, legal, public affairs, human resources, business continuity, and physical security per special publication 861, preparing for disaster recovery scenarios.

Explore incident response in sports contexts, focusing on mitigating incidents, restoring normal operations, and strengthening security after events. Learn to document consistently with standardized incident reports across jurisdictions.

Learn about after action reports and standardized formats for testing and real incidents, including recommendations, discrepancies, and forensics, plus the 800 desk A4 guide for exercises.

Test and verify disaster recovery and business continuity plans, iterating on capacity, dependencies, and data loss risks while coordinating emergency responders via out-of-band communication channels.

Explore testing standards for compliance, including health insurance portability and accountability, SOX, ISO 9001, ISO 27031, and business continuity guidelines.

This lecture emphasizes leadership sponsorship and resource allocation for disaster recovery and business continuity testing, prioritizing IT and access management, databases, and applications, then measuring operational success against strategic objectives.

Run offline checklist tests by distributing DRP and BCP plans to participants, collect feedback, and revise accordingly. Conduct walkthrough tests with representatives to analyze plan effectiveness against fire scenarios.

Explore tabletop exercises that test incident response and business continuity plans by simulating natural and manmade disasters with senior leadership guiding cross-functional teams to validate procedures and sustain the business.

Test disaster recovery stepwise by activating the DR site, disconnecting the primary site sync, and validating business-critical applications, access rights, and latency before safely resynchronizing to the primary.

Demonstrates full interruption testing to validate business continuity and disaster recovery plans by simulating ungraceful datacenter shutdown and confirming operations can run from the disaster recovery site.

Master risk management concepts, frameworks, and assessment methods, valuing assets, applying stride and cost-benefit analyses, and implementing governance, compliance, vendor and insider risk controls for business continuity.

Discover how business continuity planning remains a live document guiding disaster recovery, risk assessment, and backups (tape, cloud, time), with DRP as its subcomponent and varied testing for multiple scenarios.

Summarize all the concepts learned so far in this course, providing a concise course closure that prepares you for the exam.

Review presents the average of each domain covered and explains domain weights and question distribution, noting security operations at 30% and government at 15%.

Outline official casp+ domain objectives for secure network architecture, infrastructure design, data security techniques, authentication and authorization, cloud security, and public key infrastructure usage, including IoT and privacy impacts.

Apply threat management activities and analyze indicators of compromise within security operations, then formulate response plans, conduct vulnerability and risk management, and employ incident management and forensic analysis tools.

Enforce secure enterprise configuration and implement endpoint security controls. Analyze security impacts in sectors and operational technology, assess cloud adoption, GDPR and PCI compliance, and review cryptographic protocols and troubleshooting.

Explore governance, risk, and compliance concepts with vendor risk management and the compliance framework, and assess their organizational impact. Understand business continuity and disaster recovery concepts for effective risk management.

Review the official exam outline to anticipate question types, including performance-based questions, and thoroughly review the slides and video to prepare for the casp+ exam.