Episode 17 — Use SDLC and Model-Based Systems Engineering to Keep Security Traceable
This episode explains how SDLC practices and model-based systems engineering support traceability, consistency, and repeatable security decisions, which aligns directly with ISSEP’s emphasis on lifecycle discipline and defensible engineering outcomes. We define traceability as the ability to connect stakeholder needs to security requirements, to design elements, to verification evidence, and back again when changes occur. You’ll learn how models can clarify interfaces, dependencies, and assumptions, making it easier to identify where security controls belong and how to test them. We also cover real-world friction points, like teams that treat models as documentation only, or requirements that are written without measurable criteria, and how those gaps lead to late rework and weak assurance. Practical examples include using models to track trust boundaries, data flows, and privilege paths, and using SDLC gates to keep changes aligned with security intent. By the end, you should be able to explain how modeling and SDLC structure reduce security drift over time. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with.
