Episode 110: Open Source Security Testing Methodology Manual (OSSTMM)

The OSSTMM is often overlooked—but it provides a rigorous, standards-based approach to security testing that aligns with the goals of CySA+ and many compliance frameworks. In this episode, we explain what the Open Source Security Testing Methodology Manual is, why it matters, and how it provides structure to everything from reconnaissance and vulnerability validation to operational control assessment and human interaction testing.

You’ll hear how OSSTMM complements tools and frameworks you already know, and how it fits into risk management, gap analysis, and audit preparation workflows. While not as widely adopted as MITRE or OWASP, OSSTMM is still a valuable lens through which to view incident preparedness and testing scope. If you’re aiming to round out your exam prep or develop a more mature understanding of testing methodologies, this episode belongs in your knowledge base. Brought to you by BareMetalCyber.com