ARTICLEDEV.to AI·4/15/2026
How to Prevent Prompt Injection: Why Pre-LLM Sanitization Matters
Prompt injection is a security vulnerability where untrusted input is interpreted as instructions by an LLM, allowing attackers to override system behavior. Effective prevention requires pre-LLM sanitization of user input through validation and filtering, ideally using code-level static analysis rather than just runtime filters.
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