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Anthropic's browser agent got hijacked 31.5% of the time before safeguards engaged

Artificial IntelligenceCybersecurity & Data PrivacyTechnology & Innovation

Anthropic's newest model posted the highest prompt injection failure rate among frontier labs this spring, with attackers able to hijack it 31.5% of the time before safeguards engaged. The result highlights a material cybersecurity weakness in browser-based AI deployments and underscores ongoing safety risks in frontier model rollout.

Analysis

Anthropic's newest model posted the highest prompt injection failure rate among frontier labs this spring, with attackers able to hijack it 31.5% of the time before safeguards engaged. The result highlights a material cybersecurity weakness in browser-based AI deployments and underscores ongoing safety risks in frontier model rollout.

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