Prompt injection in AI agents: what changed in 12 months and how to defend
This story is from 2026-10-25. It is preserved in the archive; the latest stories are on the live feed.
If your agent reads email, opens web pages or parses PDFs, it is already exposed to prompt injection. In this post I go through the most relevant findings from October 2025 to October 2026, point out where the sources disagree, and finish with practical steps for anyone building agents. The problem…
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- 2026-10-25 19:10 · DEV Community — AI
Prompt injection in AI agents: what changed in 12 months and how to defend