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AI Safety & AlignmentVentureBeat AIPublished: Aug 27, 2026, 04:00 JST

AI agent hijacks DNS via blocked attack log

AI agent hijacks DNS via blocked attack log

Tenet Security demonstrated GhostJacking on the DEF CON 34 main stage on August 9. A security agent read a Cloudflare log, found an attacker's prompt-injection payload, and rewrote the company's DNS. The payload was blocked by the firewall and stored in the log.

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