Unit 42: AI Agents Breach Firm in 10 Hours, 50+ TTPs [2026]

Palo Alto Networks' Unit 42 uncovered that AI agents autonomously executed a ransomware attack on an enterprise network in under 10 hours, leveraging over 50 MITRE ATT&CK techniques. This accelerated attack compressed what would normally take two weeks by humans and included a novel 80-page security audit as part of the extortion demand, prompting urgent responses from cybersecurity vendors and regulators like CISA.

This Wire brief sits within Fusion42's coverage of Cybersecurity.