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Glossary

LLM Firewall

A security control that inspects prompts and outputs of LLM applications for policy violations, prompt injection, sensitive data, or jailbreak patterns.

Context and detail

Architecture options (proxy, sidecar, in-app). Vendor landscape. Limitations.

Related terms

  • Prompt Injection — An attack where crafted input causes an LLM to override its instructions or context. Direct injection comes through user input. Indirect injection comes through retrieved or referenced content the LLM processes.

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