Anthropic is warning Claude users that attackers are using infostealer malware to compromise their login sessions and stealing usage to run their nefarious activities. It’s the latest demonstration of the shift by bad actors from credentials to session tokens and authentication cookies.
First seen on securityboulevard.com
Jump to article: securityboulevard.com/2026/09/anthropic-attackers-using-infostealers-to-hijack-claude-sessions/
