Threat modeling turns an architecture diagram into a structured security conversation. Instead of waiting for a penetration test or incident to reveal design weaknesses, the […]
CompTIA Certifications
CompTIA CAS-005: SBOM, SCA, SAST, DAST, and RASP
Modern application security uses several tools that sound similar but observe different evidence. A software bill of materials (SBOM) inventories components. Software composition analysis (SCA) […]
CompTIA CAS-005: Crypto Agility and Post-Quantum Cryptography
Post-quantum cryptography is not only an algorithm-selection project. It is a migration problem across protocols, applications, certificates, hardware, libraries, key-management systems, and long-lived data. That […]
CompTIA CAS-005: Privileged Access Management Architecture
Privileged Access Management (PAM) is an architecture for controlling identities that can make high-impact changes. It covers far more than storing administrator passwords in a […]
CompTIA CySA+ CS0-003: Tuning SIEM Detections Without Hiding Attacks
A SIEM detection is useful only when analysts can trust what it means. A rule that produces thousands of low-value alerts wastes attention, but a […]
CompTIA CySA+ CS0-003: Vulnerability Prioritization Beyond CVSS
CVSS is useful because it provides a consistent way to describe technical vulnerability severity, but severity is not the same as organizational risk. A security […]
CompTIA CySA+ CS0-003: MITRE ATT&CK for SOC Analysts
MITRE ATT&CK is most useful in a SOC when it acts as a shared language for observed adversary behavior, not as a shortcut to attribution. […]
CompTIA CySA+ CS0-003: STIX and TAXII for Threat Intelligence Sharing
STIX and TAXII solve different parts of the threat-intelligence exchange problem. STIX 2.1 is a structured language for representing cyber threat and observable information; TAXII […]
CompTIA CySA+ CS0-003: Incident Containment, Eradication, and Recovery
Containment, eradication, and recovery are still useful operational labels for incident responders, but current guidance has moved beyond treating incident response as a simple linear […]
CompTIA PenTest+ PT0-003: OSINT for Penetration Testing
Open-source intelligence can make an authorized penetration test more efficient because it helps the tester understand the target before interacting deeply with production systems. In […]
CompTIA PenTest+ PT0-003: Testing API Authentication and Authorization
API security testing should begin with identity and authorization boundaries, not with random input mutation. Modern APIs expose business actions and data through structured endpoints, […]
CompTIA PT0-003: Cloud Penetration Testing and Shared Responsibility
Cloud penetration testing adds contractual and architectural boundaries to the normal rules of engagement. A customer may control an application, virtual machine, cloud account, or […]
CompTIA PenTest+ PT0-003: Post-Exploitation Decisions
Post-exploitation in an authorized penetration test is a decision problem, not a contest to see how far the tester can go. Once the engagement has […]
CompTIA Cloud+ CV0-004: Cloud Network Segmentation
Cloud segmentation is the practice of dividing workloads, services, users, and management paths into security boundaries that limit unnecessary communication. For CompTIA Cloud+ CV0-004 practitioners, […]
CompTIA Cloud+ CV0-004: RTO vs RPO for Cloud Disaster Recovery
Recovery time objective (RTO) and recovery point objective (RPO) are business requirements that shape disaster-recovery architecture. In CompTIA Cloud+ CV0-004, both concepts appear under service […]