EventCybersecurityAugust 31, 2026

Anthropic warns Claude users of infostealer malware infections

Anthropic detected infostealer malware (Vidar, Lumma, StealC, RedLine, Acreed, AMOS) on some Claude users' devices, hijacking login sessions and draining usage limits. The company signed out affected sessions, removed saved payment methods, and refunded unauthorized charges.

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