Defending AI Agents: Where to Block API Data Poisoning in Your Stack?
Lower-Impression-121 · reddit · 2026-08-13
The author poses a practical security question: if an external API (like a weather service) is compromised and returns poisoned data, it won't just affect the immediate AI Agent. The malicious data can pollute the database and cascade downstream to BI tools, Excel, Word, and Copilot.
The core discussion centers on where to implement data validation or 'taste testing' mechanisms within the system architecture. Should it be at the agent level, the network perimeter, or before database insertion? It's a solid prompt for discussing defense-in-depth against indirect prompt injection.
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