CompTIA SecurityX - Complete Course | Master Cybersecurity

Explore how the CIA triad drives security goals of confidentiality, integrity, and availability. Learn how technical, administrative, and physical controls—including security awareness training and multifactor authentication—mitigate threats.

Clarify threats, assets, and vulnerabilities to protect confidentiality, integrity, and availability. Explain exploitation, vulnerability scoring (CVE, Cvss), and the importance of monitoring and patching.

Identify what a vulnerability is, including technical and non-technical weaknesses. Learn how CVSS and CVE scores guide risk prioritization and how patches, scanning, and remediation protect against remote code execution.

Explore the cyber kill chain, from recon and weaponization to delivery, exploitation, installation, and command and control, and learn how phishing and data exfiltration fit CAS-005 exam concepts.

Analyze advanced persistent threats (APTs) and their long-term, targeted persistence using advanced techniques. Learn how tactics, techniques, and procedures (TTPs) attribute attacks to groups like Apt28, Apt29, Apt10, and Lazarus.

Explore threat intelligence services, including osint sources and internal and private data, to identify threats and apt techniques, and understand certs' role in alerts, advisories, and incident response.

Analyze and minimize the attack surface by evaluating threat vectors, external and internal risks, and vulnerabilities using threat modeling frameworks Stride and Dread, vulnerability scanners, and patch management.

Define malware as malicious software and cover virus, worm, trojan, ransomware, spyware, adware, keylogger, botnet, and rootkit, plus defenses like antivirus and monitoring.

Explore how denial of service and distributed denial of service attacks threaten availability across OSI layers, detailing volume, protocol, and application-layer methods like syn flood, ping of death, and slowloris.

Explore how a man-in-the-middle attack intercepts and can modify unencrypted traffic using ARP spoofing and DNS spoofing, assess its impact on confidentiality, integrity, and availability, and review mitigations.

Explore how buffer overflow attacks overflow memory buffers to overwrite the return address and hijack program execution, enabling denial of service or arbitrary code execution.

Investigate race conditions in concurrent systems, where timing and access to shared resources cause data corruption and security risks. Explore synchronization, atomic operations, and testing to prevent TOCTOU and deadlocks.

Explore privilege escalation, a cyber attack exploiting vulnerabilities and misconfigurations to gain unauthorized, elevated access. Examine vertical and horizontal escalation, their consequences, and mitigations like patching, least privilege, and MFA.

Examine side channel attacks that reveal cryptographic data through power, timing, electromagnetic, and sound emissions, and learn defenses like masking, constant-time operations, and shielding.

Explore mobile threat techniques such as rooting and jailbreaking, malicious apps, mobile spamming, smishing, and blue bugging to protect devices and corporate networks.

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Set strategic direction through governance by aligning senior management, the board, and departments with policies, standards, and continuous monitoring, enabling data-driven decisions across IT and security.

Align the information security program with the business strategy through risk assessments, policies, standards, and controls while securing senior management buy-in with a solid business case and training.

Align security strategy with the board's vision and risk appetite by coordinating directors, senior management, steering committees, owners, and security analysts and engineers to implement controls and educate users.

Align information security with business strategy to protect confidentiality, integrity, and availability, manage risk, and enable secure growth through governance, incident response, and compliant security programs.

Explore governance and risk frameworks such as Cobit, iso 38500, iso 31000, iso 27001, rmf, and csf to align IT with business goals and manage enterprise risk.

Explore the governance, risk, and compliance (GRC) function as an organization-wide framework that encompasses policies, risk assessments, audits, and compliance across all departments, including information security.

Explore how information security integrates governance, risk management, and compliance to protect data across digital and physical formats, enforce security policies, and boost organizational security awareness.

Explore how security program documentation—policies, standards, procedures, guidelines, and reports—supports risk analysis, risk register management, risk treatment plans, and control testing through clear ownership, approvals, periodic reviews, and classification.

Explore security controls such as preventive, detective, deterrent, and corrective measures that protect assets, balance cost with asset value, and deliver return on security investments through resilience.

Implement defense in depth with layered network, host, application, and data controls to ensure protection. Evaluate controls continually, patch, encrypt data, and educate users to reduce risk.

Auditors evaluate controls, assess risk, and use checklists, standards, and customer policies to identify weaknesses and compensating controls, such as security cameras, firewalls, and a business continuity plan.

Explore how metrics measure the state of change and risk management, track engagement of risk teams, and drive security culture through CGIs, CSFs, and KPIs, with SMART selection.

Explore how enterprise architecture aligns business goals with IT strategy through a holistic view of technology, data, applications, and security, using models like Zachman and TOGAF.

Identify organizational needs through gap analysis, research and evaluate technology options, develop a business case, and use PoC to pilot, fund, and implement secure, usable solutions aligned with strategy.

Establish and enforce an ICT project management policy guiding acquisition, development, and maintenance across the lifecycle to safeguard governance, risk assessment, testing, change management, and data confidentiality, integrity, and availability.

Use feasibility analysis and business case to evaluate technology investments against objectives, costs, benefits, and risks. Validate with demos and proof of concept for security solutions like firewalls and encryption.

Engage stakeholders to secure management buy-in with a business-aligned security program plan. Outline high-level roadmaps and budgets, referencing ISO 27,001 and Nest 853 guidelines.

Understand capex versus opex and how cloud, containers, and virtualization convert upfront investments into ongoing costs, boosting ROI and ROSI in cybersecurity.

Learn how risk management balances security controls with cost, assesses operational, financial, compliance, strategic, reputational, and cybersecurity risks, and aligns IT risk with business strategy.

Analyze an organization's risk profile to identify operational, financial, strategic, compliance, and reputational risks, and use appetite, tolerance, and capacity to guide mitigation and resource allocation.

Identify IT and compliance risks by cataloguing assets, applying brainstorming, threat modeling, and risk scenarios to foresee threats, assign owners, document findings, and enable continuous monitoring.

Explore digital risk protection and dark web monitoring to safeguard assets, brand reputation, data, and executive security through threat intelligence, domain protection against typosquatting and cybersquatting, and social media monitoring.

Learn threat modeling as an ongoing framework to identify assets, threats, and risks, and derive security requirements using Stride, Dread, Pasta, and Linden.

Explore how the software requirements traceability matrix links functional and non-functional needs to use cases, tests, and misuse scenarios, ensuring secure, robust, and user friendly software.

Analyze risks in IT and compliance contexts by evaluating impact and likelihood, using qualitative, quantitative, and semi-quantitative methods to prioritize risk mitigation and resource allocation.

Evaluate risk evaluation findings and risk treatment options by comparing impact and likelihood to defined risk criteria, using matrices and heat maps to manage residual risk within risk appetite.

Learn to monitor risks with leading and lagging indicators, report assessment results to stakeholders, and maintain a risk register with owners and documentation to enable proactive risk management.

Learn risk management frameworks, including ISO 31,000, ISO 27,005, Nest Cybersecurity framework, Coso, Isaca risk management framework, and NIST RMF, with the six steps: categorize, select, implement, assess, authorize, monitor.

Learn the NIST RMF and its six steps—categorize, select, implement, assess, authorize, monitor—to integrate security and risk management into the system development life cycle using Nest Special Publication 853 baselines.

Explore the fundamentals of computer networks, from clients and servers to routers and media. Learn how TCP/IP, ARPANET origins, LANs, WANs, and various topologies enable global and local connectivity.

Explore the OSI and TCP/IP models, their layered structure and encapsulation, and learn practical strategies for designing, troubleshooting, and securing reliable network communications.

Explore the physical layer of networking (osi layer 1), its cables and media—from twisted pair to fiber and wireless media—and how bandwidth, latency, and snr shape reliability.

Explore the OSI layer 2 data link layer, its MAC addresses, frames, and switches, and how VLANs and broadcast domains shape local network communication.

Explore the network layer (layer three) and its role in routing IP packets across networks, including IPv4 and IPv6 addressing, MTU, routing tables, and default gateway.

Examine MAC and IP addresses, how ARP maps them, and security measures against ARP spoofing, including dynamic ARP inspection, static ARP, port security, MAC filtering, IDS, and IPv6 NDP.

Implement robust network security management with segmentation and asset classification, document data flows and connections, isolate admin networks, enforce access controls and encryption, and perform regular firewall reviews.

Adopt zero trust to continuously verify every access, enforce least privilege, implement dynamic policies, and monitor across the enterprise, reducing risk and improving security assurance.

Design secure systems balancing confidentiality, integrity, and availability with access controls between subjects and objects. Incorporate confinement and isolation, privacy by design, secure defaults, and balance closed versus open architectures.

Embrace D parameterization and zero trust to redefine security boundaries across network, application, container, and data layers in distributed cloud environments.

Leverage abstraction as a security strategy to hide system details and reduce the attack surface. Use network segmentation, VPN, SDN, IP concealment, and hardware protections like secure enclave, TPM, HSMS.

Explore the trusted computing base, the hardware, software, and firmware that enforce security policies; minimize the TCB, isolate components, and protect system integrity.

Explore secure network design for small to medium organizations, covering LAN components, active directory, DNS, DHCP, and time synchronization, with VLAN segmentation, access controls, and endpoint protection.

Explore how network segmentation reduces attack surfaces, improves performance, and enables zero trust with VLANs, ACLs, VRFs, and Cisco ace-i through EPGs and contracts.

Learn how 802.1x authentication and NAC secure wired and wireless networks with supplicant, authenticator, and authentication server roles, plus posture assessment and policy enforcement.

Explore how firewalls regulate network traffic with packet filtering, stateful and circuit level inspection, and application layer defenses, plus next-generation, cloud, and web application firewalls against sql injection and xss.

Explore how the demilitarized zone, bastion hosts, and honeypots form a layered defense that isolates public services, regulates access, and deceives attackers.

deploy ids for real-time monitoring and alerts, while ips actively block threats in-line, forming a layered defense against evolving cyber attacks. explore signature-based and anomaly-based detection with ai enhancements.

Explore network access, wireless access, and BYOD policies to secure devices, enforce authentication, manage access points and SSIDs, and ensure data protection on personal devices.

Explore how proxy servers safeguard networks by filtering web traffic, masking identities, and protecting servers through forward and reverse proxy roles, with SSL decryption and malware scanning.

Explore how virtual private networks secure remote access and site-to-site connections using IPsec, SSL/TLS, and other protocols, with practical deployment, authentication, and split tunneling considerations.

Define firewall, router, and switch management policies to secure configurations, enable logging, backups, and DPI and application-based controls with MFA.

Protect wireless networks by applying best practices, including WPA3, enterprise authentication, changing default credentials, and monitoring for wardriving, rogue access points, and evil twins.

Explore converged networks that unify voice, video and data on a single infrastructure, enabling unified communications, IoT integration, PoE and QoS, with encryption and VLAN segmentation for security.

Isolate untrusted code in a controlled environment to prevent malware from affecting the system, enabling safe analysis in browser and app sandboxes and in virtual machines or containers.

Protect web applications with a web application firewall (WAF) that monitors, filters, and blocks HTTP traffic at the application layer, defending against SQL injection, XSS, and CSRF.

Explore how load balancing improves network resiliency and availability by distributing traffic across multiple servers with a virtual IP, via active active or active passive configurations, including software like HAProxy.

Explore how APIs enable system communication, highlighting benefits and security best practices. Learn authentication, rate limiting, TLS, input validation, and API gateways for secure, scalable integrations.

Explore the 2023 OWASP API security top ten and how to defend modern APIs with broken object level authorization, authentication, rate limiting, and secure lifecycle practices.

Explore file integrity monitoring as a key security control guarding critical files and directories. Learn how baselines, hashes, and audits support threat detection, compliance, and forensics within broader security frameworks.

Master network visibility architecture with span, rspan, and network taps to capture full-fidelity traffic for threat detection, compliance, and performance optimization across on-prem and cloud environments.

Understand how identity and access management centralizes authentication, authorization, and user provisioning to secure resources, enforce policies, and support compliance across on premises and cloud environments.

Learn how authentication, authorization, and accounting secure access across systems by using multi-factor authentication, role-based access control, and policy-based access controls, while auditing user activity.

Explore multi-factor authentication and defense in depth, using diverse factors—something you know, something you have, and something you are—while applying biometric methods, liveness detection, encryption, and GDPR.

Explore advanced authentication mechanisms such as single sign on, reduced sign on, and mutual authentication, with SAML, OAuth, MFA, and Mtls to balance security and usability.

Explore key access control concepts, including subjects and objects, fail open vs fail closed, and core principles like need to know, least privilege, segregation of duties, and split custody.

Check how authorization enforces permissions and rights across mac, dac, rbac, and rule-based models using acls and security labels. Leverage context-aware controls and hybrid approaches to protect assets.

Explore accounting as a cornerstone of security, capturing audit trails and logs to establish who performed actions on which resources when, enabling fraud detection, forensics, and incident response.

Explore operational log management, from collection and monitoring to secure storage and analysis. Learn about log types, forwarding, alerts, retention, and governance frameworks like Cobit and ITIL.

Explore common password attacks—dictionary, brute force, credential stuffing, and password spraying—along with defenses like mfa, account lockout, strong policies, tls, salting, and monitoring.

Explore active directory and LDAP as foundational IAM components, covering domain controllers, Kerberos SSO, OUs and GPO, secure deployment, and best practices for secure directory services.

Explore cloud computing as an on-demand, pay-as-you-go model that abstracts compute, storage, and network resources for scalable, cost-efficient operations. Leverage IaaS, PaaS, and SaaS to reduce CapEx and enable outsourcing.

Survey cloud deployment models—private, community, public, and hybrid—and examine emerging trends, multi-cloud strategies, and services that optimize security, scalability, and cost efficiency.

Explore the cloud shared responsibility model, detailing how the CSP and CSC divide security and operations across IaaS, PaaS, and SaaS, including data protection, IAM, MFA, encryption, monitoring, and compliance.

Review cloud contracts and SLAs to define data location, portability, security measures, compliance, uptime expectations, and exit strategies between cloud service providers and customers.

Explore cloud multi-tenancy, where shared resources drive cost efficiency and scalability while maintaining data isolation through virtualization and access controls, with risks and regulatory considerations like GDPR and HIPAA.

Navigate cloud threats and mitigations, including misconfiguration, change control gaps, insecure apis, api gateways, and third party risks. Implement iam least privilege, multi-factor authentication, audits, and devsecops for cloud deployment.

Explore virtualization and the software defined data center to run multiple virtual resources on one device for scalable cloud computing. Learn about hypervisors, bare metal vs host-based virtualization, and containerization.

Explore container technology that encapsulates an application and its dependencies in a lightweight, portable environment using os-level virtualization with a shared kernel, enabling fast startup and microservices orchestration.

Explore software defined networking (SDN) and a centralized control plane that programmatically manages the network, automates policies, optimizes data-plane forwarding, and enables secure, compliant, virtualized networks.

Explore storage technologies from HDDs and SSDs to SAS and M2, understanding performance, security, and scalability, and learn encryption and file systems for reliable enterprise storage.

Explore raid technologies and storage redundancy to optimize performance, fault tolerance, and availability by comparing raid levels, striping, mirroring, parity, and hot swapping in enterprise storage solutions.

Backups protect data and enable rapid restoration after cyber threats or failures, using regular schedules, integrity testing, and local, remote, or hybrid storage with encryption and access controls.

Explore server policy, software application security policy, and data backup policy, and learn how they interconnect to secure it infrastructure, including change management, disaster recovery, and data protection.

Establish and enforce cloud related policies covering data residency and sovereignty, access control, encryption, incident response, vendor management, backups, and regulatory compliance across multi-cloud environments.

Explore the CSA star framework, including the Cloud Controls Matrix and the Consensus Assessments Initiative Questionnaire cake, and how three assurance levels—self-assessment, third-party attestation, and continuous monitoring—assist cloud provider evaluation.

Explore how to securely manage secrets and cryptographic keys across their lifecycle using centralized storage, rotation, access controls, encryption, and auditing to prevent breaches and ensure compliant security.