The threat intelligence community has spent decades building frameworks to assess how dangerous a cyberattacker is. Anthropic just published data suggesting those frameworks are failing — not because they were poorly designed, but because AI has fundamentally changed the relationship between attacker skill and attacker capability, and AI-assisted cyberattacks are now becoming a norm.
Anthropic's Frontier Red Team published findings drawn from 832 accounts banned for malicious cyber activity between March 2025 and 2026, mapping each case against MITRE ATT&CK, the industry's most widely used taxonomy of attacker tactics and techniques.
A subset of those findings appeared in Verizon's 2026 Data...