CybersecKyle Security How-To Series: Blue Team Fundamentals, Part 4 - Threat Modeling a Small Target

Part 4 of the Blue Team Fundamentals track in my CybersecKyle Security How-To Series uses one small system to connect architecture, abuse paths, controls, and tests before the design becomes expensive to change.Threat modeling often fails under a scope called “the whole business.” The diagram grows, every dependency leads to another meeting, and the people building the next release leave without a decision. A useful first model can fit on one page if the target and the questions are narrow enough.OWASP’s Threat Modeling Cheat Sheet organizes the work around four questions: what are we working on, what can go wrong, what will we do about it, and did we do a good enough job? The framework is intentionally methodology-neutral. STRIDE, attack trees, misuse cases, and other methods can add rigor later; the first job is to understand the actual system.Choose a decision-sized targetGood targets have an owner and a boundary:The newsletter signup and unsubscribe flowThe personal-site…