A focused publication on prompt injection. Direct and indirect techniques, model-specific behaviors, taxonomy, PoCs against open and closed models, defenses and their failure modes — written for working AI red teamers, not press releases.
Prompt injection has been a security problem since 2022. As of 2026, it's also a compliance problem. Where the regulatory liability actually attaches, and what deployers should document.
Prompt injection PoCs, taxonomy, and primary sources. — delivered when there's something worth your inbox.
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