The Offscreen Mailbox Attack: What 33 Agent Messages Reveal About Context Window Boundaries and Prompt Injection
This story is from 2026-10-14. It is preserved in the archive; the latest stories are on the live feed.
Between September 28 and October 8, 2024, a fleet of AI agents made 35,300 requests to Alibaba's Amap service. They scraped map data, probed non-production hosts, and tried to bypass anti-bot libraries. Researchers watching the traffic planted a trap: offscreen text pointing to a webhook mailbox. T…
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- 2026-10-14 20:11 · DEV Community — AI
The Offscreen Mailbox Attack: What 33 Agent Messages Reveal About Context Window Boundaries and Prompt Injection