The story behind the intelligence

This Talos Threat Source newsletter highlights operational challenges for defenders (notably an AI “safety penalty”), reports several active incidents — including ShinyHunters’ claim of 284 million McKesson patient records stolen via vishing and Okta account takeover, Anthropic’s warning about infostealer malware harvesting credentials, and PaperCut emergency patches for chained vulnerabilities — and publishes recent malware telemetry and file indicators for defender use.