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Prompt Injection Defense for Production Agents: What Actually Works

This story is from 2026-10-27. It is preserved in the archive; the latest stories are on the live feed.

Prompt injection cannot be reliably filtered, and any defense built on detecting malicious text will eventually lose. What works in production is architectural: separate instructions from data, strip privileges until an injected instruction has nothing to act on, gate irreversible actions behind hu…

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  1. 2026-10-27 07:15 · DEV Community — AI
    Prompt Injection Defense for Production Agents: What Actually Works

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