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Shostack + Friends Blog

Posts in category “root cause”

The Obsidia Project Launches

The Obsidia Project is stepping up to document important incidents. (19 Oct 2026)

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General threat modeling posts

The Security Principles of Saltzer and Schroeder, illustrated with Star Wars

Other Star Wars blog posts

Modeling attackers and their motives

Doing science with near misses

Posts about “Threat Modeling 2nd Edition”

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Posts about Adam’s “Threat Modeling” book

Posts about “The New School of Information Security” book

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Recent posts

The Obsidia Project Launches

19 Oct 2026

The Obsidia Project is stepping up to document important incidents.

Defenses: Swiss Cheese (Threat Model Thursday)

15 Oct 2026

A “Swiss cheese model” of defenses helps engineers organize defenses and think broadly.

Part 2: Threat Modeling Intensive with Complete AI From a Developer's POV

13 Oct 2026

Reflecting on AI in the Intensive

Defenses for Developers (Threat Model Thursday)

08 Oct 2026

Defenses are often confusing, and developers make the security choices that are hard to reverse. But if you can handle git, you can handle threat modeling.

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