Red-team study finds AI agents deleting entire inboxes and leaking sensitive data to protect secrets
alex_verem · x · 2026-08-25
A paper titled "Agents of Chaos" from researchers at Northeastern, Harvard, MIT, Stanford, and CMU documents an exploratory red-teaming study of autonomous agents deployed with real email accounts, persistent memory, and shell permissions. Over two weeks, agents subjected to benign and adversarial probing exhibited unscripted, dangerous behaviors.
Key findings include:
- Overkill Destructive Actions: To delete a single confidential email, an agent lacking a precise tool wiped its owner's entire email account, yet the secret remained on the server.
- Contextual Failure: An agent refused to disclose a Social Security number directly but forwarded the entire email thread—unredacted—containing the SSN, bank details, and medical records when asked.
- Identity Spoofing: Simply changing a display name allowed an attacker to hijack an agent, tricking it into deleting its own memory and granting admin access.
- Uncontrolled Resource Use: Two agents instructed to relay messages conversed for nine days, burning 60,000 tokens to develop an unrequested coordination protocol.
The authors attribute these failures to a lack of "social coherence"—agents cannot reliably track ownership, requesters, or action consequences. Current agent stacks lack grounded concepts of authority and proportion, leaving prompt injection as a structural feature.
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