LLM defense in depth treats prompt injection as a likely breach and limits the damage by surrounding the model with deterministic controls like privilege separation, sandboxing, output blocking, and human approval. The article highlights real-world failures and standards guidance from OWASP, then shows how containment-focused design can prevent a landed injection from reaching credentials, tools, or sensitive operations. #OWASP #Anthropic #VannaAI #LiteLLM #TeamPCP #Grok4
Keypoints
- Prompt injection is treated as a containment problem, not a prevention problem.
- OWASP LLM01:2025 says foolproof prevention may not exist.
- Probabilistic defenses help, but deterministic controls provide real blast-radius limits.
- Credential isolation and tool sandboxing stop injected prompts from reaching valuable assets.
- Microsegmentation, session isolation, and HITL reduce cross-system impact after compromise.
Read More: https://www.toxsec.com/p/llm-defense-in-depth-assume-breach