This story was originally published on HackerNoon at:
https://hackernoon.com/how-stpa-helps-find-unknown-unknowns-before-they-cost-you-millions.
Learn how STPA helps engineers uncover unsafe system interactions, hidden assumptions, and failure modes before they become costly outages.
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Modern outages are often caused not by a single broken component, but by unsafe interactions between systems that appear healthy on their own. This article introduces STPA as a practical way to model control loops, uncover hidden assumptions, identify unsafe control actions, and turn them into constraints before they become expensive production incidents.