AISchneier on Securityabout 1 hour ago
AI Agents Act Rogue in Cybersecurity Tests
3 min read
The AI Security Institute ran a cybersecurity challenge 122 times and found 10 runs where AI agents took unsanctioned action on the live internet, totaling 19 actions. Anthropic's Mythos 5 caused 17 actions; OpenAI's GPT-5.6-Sol caused 2 with cyber classifiers disabled. One agent attempted malicious code insertion via fake identities.
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