CompTIA SecurityX (CAS-005) Complete Course & Practice Exam

Strengthen enterprise security by implementing governance controls, building a security program with policies, procedures, standards, and training, and using COBIT, ITIL, and GRC tools to align with business goals.

Security program documentation forms the framework of administrative controls, policies, procedures, standards, and guidelines for managing human and operational risks and ensuring regulatory compliance.

Enhance security program management through awareness and training that educate employees on phishing, social engineering, physical security, and privacy practices, using realistic simulations to boost situational awareness and opsec.

Learn how governance frameworks align IT with business goals, manage risk, and ensure compliance, focusing on COBIT with four domains and 34 processes, and ITIL with 34 practices.

Discover how governance, risk, and compliance (GRC) tools automate processes and centralize documentation. Map controls to regulations such as GDPR and SOX, monitor compliance in real time, and streamline audits.

Explore how management involvement strengthens governance by clearly assigning roles with the RACI matrix, aligning tasks with business strategy, accountability, and transparent communication.

Manage system modifications with structured change and configuration processes, emphasizing inventory, asset management lifecycle, and a CMDB to track configuration items, relationships, and impact.

Learn the data lifecycle's six stages: creation, use, sharing, storage, archival, and destruction, and how staging supports development, testing, quality assurance, and production.

Prioritize strong communication and reporting to strengthen security program management, enabling timely sharing of incidents, risk assessments, and compliance status with internal teams and external stakeholders.

Explore risk management within governance, risk, and compliance to meet objective 1.2, using frameworks like NIST, ISO 27005, COSO, OCTAVE, and FAIR to protect data, availability, and privacy.

Explore confidentiality risk considerations, including incident response testing, encryption, sensitive and privileged data breaches, and robust data leak reporting to minimize impact.

Explore integrity risk considerations that protect data and systems from unauthorized modifications, using interference controls, hashing to detect changes, remote journaling, and anti-tampering measures.

Explore availability risk considerations, including BC/DR planning with mission-essential functions, connected and disconnected backups, and regular testing, illustrated by EverTrust Financial’s hot, warm, cold, and cloud site strategies.

Explore privacy risk considerations, including biometric data, data subject rights, and data sovereignty, and analyze false acceptance and false rejection rates at the crossover error rate in biometric systems.

Explore how risk assessment frameworks identify, assess, and manage risks across organizations, including NIST RMF, ISO 27005, COSO ERM, OCTAVE, and FAIR, to support compliance and protect assets and operations.

Identify, analyze, and evaluate risks to guide mitigation using qualitative, quantitative, and hybrid analyses. Follow the risk management lifecycle: identification, assessment, control, and review, with risk appetite and tolerance.

Learn how to implement risk response by validating risks, assessing severity impact, and applying remediation steps to mitigate threats and protect data.

Learn impact analysis in enterprise risk management to quantify how risks affect operations, assets, and objectives, and apply steps: identify events, evaluate impact, develop scenarios, assess outcomes, and implement mitigation.

Explore third-party risk management by assessing vendor, subprocessor, and supply chain risks, and applying due diligence and due care to maintain secure operations and trusted products.

Explore how compliance shapes information security strategies through industry standards, privacy regulations, and cross-jurisdictional requirements, including SOC2, NIST CSF, PCI DSS, ISO 27000, GDPR, CCPA, COPPA.

Explore industry compliance across government, healthcare, financial, and utilities, and learn how FISMA, NIST RMF, CMMC, HIPAA, HITECH, GLBA, SOX, PCI-DSS, NERC-CIP, and FERC guide protecting sensitive data and systems.

Explore industry standards such as PCI-DSS, ISO 27000 series, and the Digital Markets Act, examining their six PCI-DSS goals, ISMS framework, cloud security, risk management, and fair competition for gatekeepers.

Explore security frameworks, including foundational best practices, benchmarks, and CIS benchmarks, to manage risk and continuously monitor baselines for abnormal activity. Learn how these standards guide secure configurations and compliance.

Explore the SOC 2 framework and its five trust service criteria—security, availability, processing integrity, confidentiality, and privacy—plus Type I, Type II, and the public SOC 3 report.

Learn the NIST cybersecurity framework and its five functions—identify, protect, detect, respond, recover—and how asset management, risk assessment, firewalls, encryption, and incident response strengthen resilience.

Understand the cloud security alliance framework and CSA STAR certification, covering data protection, security management, and compliance, with level 1 self-assessments and level 2 third-party audits against Cloud Controls Matrix.

Explore privacy regulations such as COPPA, LGPD, CCPA, and GDPR, and learn how to adapt security policies to protect personal data and ensure regulatory compliance.

Evaluate an organization's security policies, controls, and practices through internal and external audits, assessments, and certifications to ensure effectiveness and regulatory alignment.

Learn cross-jurisdictional compliance by examining due diligence, due care, contractual obligations, and export controls, including GDPR considerations and e-discovery and legal hold.

Explore resilient system design within security architecture by analyzing requirements to deploy layered defenses, proactive threat detection, and adaptive scaling, ensuring availability, recovery, and secure application delivery.

Explore security devices that protect networks and data by enforcing policies, including firewalls with ACLs, IDS and IPS, VPNs for encrypted remote access, and NAC for device health checks.

Learn how monitoring and detection identify security incidents using TAPs, collectors, and vulnerability scanners, with OpenVAS configuration and targeted NVTs for efficient risk prioritization.

Explore how network traffic management uses forward and reverse proxies and cdns to cache content, block harmful sites, and enable auditing, IP masking, and load balancing.

Protects applications and data at application layer of OSI model by using API gateways and web application firewalls to control traffic and block attacks like cross-site scripting and SQL injection.

Learn how availability considerations keep systems accessible during failures and high demand by applying load balancing, session persistence, non-persistence, and interoperability, with DDoS defense in mind.

Explore scaling considerations and the shift from vertical scaling to horizontal scaling, including memory, processing power, and stateless designs that enable elastic, pay-per-use cloud growth.

Explore recovery strategies that restore operations after disruptions using backups, failover mechanisms, and disaster recovery plans, with full, incremental, differential, and synthetic backups guiding RTOs and RPOs.

Develop deployment strategies by evaluating geographical considerations that affect performance, redundancy, and compliance, and optimize latency with multi-region infrastructure, CDNs, load balancing, auto-scaling, and caching.

Learn to design secure architectures that integrate controls across data states, data classification, labeling and tagging, and hybrid and third-party environments, using data loss prevention and attack surface management.

Protect data in three states: at rest, in transit, and in use, with AES-256, TLS, IPsec, access controls, data masking, and secure enclaves.

Classify data by sensitivity, value, or regulatory requirements to apply appropriate security controls. Explore government and commercial models with labels like unclassified, confidential, secret, top secret, and public, private, internal.

Learn how data labeling and tagging assign classifications such as confidential, secret, and top secret to protect data. Compare automatic and manual labeling, declassification, and tags like PII and PHI.

Data loss prevention detects, prevents, and responds to unauthorized access or transmission of sensitive data, using data discovery, labeling, and policy enforcement for data at rest and in transit.

Explore hybrid infrastructures that blend on-premises and cloud resources, extending firewalls, encryption, and access management across environments. Understand security challenges, IAM consistency, and data protection across multi-environment setups.

Securely connect external services via APIs with robust encryption, data protection, and access controls. Implement monitoring and logging to detect anomalies and support compliance.

Learn attack surface management by hardening systems, applying defense-in-depth, and practicing vulnerability management to protect legacy components and secure devices.

Learn how control effectiveness mitigates risks and protects assets through metrics, scanning, and assessments. See how metrics track incident response times and vulnerabilities addressed, while scanning prioritizes remediation.

Implement security across the system life cycle, from hardware and software assurance to supply chain and end-of-life, through pre- and post-deployment testing and CI/CD practices.

Explore hardware assurance through certification and validation, including Common Criteria with EAL levels, protection profiles and security targets, trusted foundries, and NIST guidelines for IoT and sensitive information.

Explore functional and non-functional security requirements, including authentication, access controls, and encryption, and learn how to balance security with usability in enterprise systems.

Discover how software assurance ensures security and reliability by using SBoM and SCA to catalog dependencies and vulnerabilities, and apply formal methods like model checking and theorem proving.

Learn to secure every link in the supply chain from hardware tampering and counterfeit parts to software dependencies by applying hardware authentication with PKI, transparency, and software composition analysis.

Assess software before release to identify security vulnerabilities, functional issues, and performance concerns using SAST, DAST, and IAST.

Discover post-deployment testing to identify security and performance issues in live environments. Examine software vulnerability analysis with OpenVAS and how runtime application self-protection blocks threats in real time.

Automate code changes, tests, and deployments with CI/CD management while applying coding standards, linting, branch protection, and continuous improvement to keep software delivery consistent and efficient.

Explore continuous integration and deployment testing, including canary testing, regression testing, automated test and retest, unit testing, and integration testing, to detect security vulnerabilities and functional issues before production.

Explore end-of-life and end-of-service-life concepts and how lifecycle management, CMDB, and asset inventory forecast upgrades, replacements, and secure data migration with data integrity.

Explore how access, authentication, and authorization secure systems by applying RBAC, ABAC, MAC, and DAC policies, provisioning and deprovisioning rights, and monitoring with logging and auditing.

Explore physical and logical access control systems, including RFID key cards, biometric scanners, keypad entry, smart cards, and multi-factor authentication, to prevent tailgating and protect assets.

Issue and verify credentials through identity proofing, then provision access based on roles, while enabling self-provisioning and automating deprovisioning to secure resources.

Explore rule-based access control and compare mandatory, discretionary, and attribute-based models, with a hands-on DAC demonstration on Linux to show owner-driven permissions and policy enforcement.

Role-based access control assigns permissions by role, using active directory groups and linux groups to map roles such as HR, finance, admins, and developers to resources.

Discover how identity providers enable single sign-on across service providers, using attestations, federation, and protocols like Kerberos, Shibboleth, JWTs, and SAML to secure access.

Master access control policies that grant or deny resource access by identity and role, using conditional access, policy decision points, and policy enforcement points.

Monitor access, authentication, and authorization with centralized logging and auditing to ensure compliance and detect anomalies. Use Syslog and SIEM for normalized, cross-source analysis; maintain tamper-proof audit trails.

Integrate zero trust design into system architecture by applying security boundaries, segmentation including microsegmentation, deperimeterization, access management, API integration and validation, and asset control.

Explore how security boundaries enforce strict access controls and continuous verification across system components. Understand data perimeters, secure zones, zero-trust, encryption, and subzones, bastion hosts, air-gapped networks.

Explore VPN architecture, including client-server, site-to-site, and always-on models, and analyze encrypted tunnels via IPsec or TLS, with authentication for secure remote access and continuous connectivity.

Divides networks into distinct zones to limit access and reduce the attack surface; micro-segmentation isolates workloads with zero-trust policies for granular security.

Explains deperimeterization as moving beyond a fixed network boundary to verify every user and device, anywhere, and explores SDN, SD-WAN, and SASE as cloud-based security and access solutions.

Learn how access management continuously verifies and controls user and device access to resources based on policies and contextual factors, via subject-object relationships, continuous authorization, and context-based reauthentication.

Explore how API integration connects applications and services to enable secure data exchange, while API validation enforces authentication, authorization, data integrity, and ongoing monitoring.

Master asset control by applying asset identification, asset management, and asset attestation to maintain a current inventory of devices, applications, and data and ensure zero trust security.

Explore roots of trust and boot options like secure boot and measured boot. Analyze security coprocessors, self-encrypting drives, host-based encryption, self-healing hardware, and virtual hardware as foundations for hardware security.

Roots of trust underpin secure boot and cryptographic operations by coordinating TPMs, vTPMs, and HSMs that securely manage keys across environments.

Discover how Secure Boot and Measured Boot use UEFI and the TPM to validate signatures and record boot component hashes, creating a verifiable log of the boot sequence.

Learn how security coprocessors protect cryptographic operations and sensitive data with CPU security extensions and secure enclaves, including Intel's Trusted Execution Technology, AMD's Secure Encrypted Virtualization, and Apple's Secure Enclave.

Explore how self-encrypting drives automatically encrypt and decrypt data with an onboard engine, without user interaction. Understand secure key management inside the drive and the benefits of hardware-based performance.

Explore host-based encryption across Windows, Linux, and Mac, including BitLocker, LUKS with cryptsetup, and FileVault, to protect data at rest on lost or unattended devices.

Self-healing hardware automatically detects, corrects, and recovers from faults, using efficiency, durability, sustainability, and innovation to reduce downtime and extend hardware lifecycles.

Study virtual hardware managed by a hypervisor to run multiple virtual machines on a server. See how dynamic resource allocation, fast deployment, and consolidation boost scalability, efficiency, and cost savings.