When Diagramming Truly Adds Value in Security Design

The article argues that diagramming should not be a mandatory ritual in every design review but a deliberate choice when it brings clarity or alignment. Diagrams are most useful for complex systems where they expose assumptions, make architecture explicit, and help visualize attack surfaces. However, in simple or well-understood designs, they may add little. With LLMs aiding in diagram creation and analysis, teams can focus on when diagrams genuinely improve understanding. The key is using them iteratively, purposefully, and without rigidity.

https://boringappsec.substack.com/p/edition-31-the-role-of-diagramming

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