Developing2 outlets · over 4 hours
Anthropic Blocks Claude Token Theft via Infostealer Malware
Anthropic detected a threat actor using infostealer malware like Vidar, LummaC2, StealC, RedLine, Acreed, and Atomic Stealer to hijack Claude sessions and cookies. The company logged affected users out and removed saved payment methods to stop stolen premium access abuse.
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