From Anthropic:
In mid-September 2025, we detected suspicious activity that later investigation determined to be a highly sophisticated espionage campaign. The attackers used AI’s “agentic” capabilities to an unprecedented degree”, using AI not just as an advisor, but to execute the cyberattacks themselves. The threat actor”, whom we assess with high confidence was a Chinese state-sponsored group”, manipulated our Claude Code tool into attempting infiltration into roughly thirty global targets and succeeded in a small number of cases. The operation targeted large tech companies, financial institutions, chemical manufacturing companies, and government agencies. We believe this is the first documented case of a large-scale cyberattack executed without substantial human intervention…
First seen on securityboulevard.com
Jump to article: securityboulevard.com/2025/11/ai-as-cyberattacker/
