OWASP LLM01 in 2026: I Tested the Top 5 Defenses, 4 Failed

Photo by Jonathan Kemper on Unsplash The first thing I noticed while testing prompt injection defenses this year was how quickly architecture diagrams stop matching reality. A retrieval pipeline that looked clean in documentation would become tangled after a few integrations. A coding assistant that started as a single model with tool access quietly accumulated memory, … Read more

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