// ClaudeHIGH
Anthropic disclosed that infostealer malware including Vidar, LummaC2, StealC, RedLine, Acreed, and Atomic Stealer has been extracting active Claude login sessions from infected user devices. Attackers leveraged stolen session tokens to access accounts and consume Claude resources without authorization. Affected users were logged out, payment information deleted, and refunds processed.
- Anthropic Warns of Infostealer Malware Hijacking Claude Sessions(opens in a new tab)
- Anthropic locks out Claude users after infostealers hijack login(opens in a new tab)
- Anthropic Warns Claude Users of Infostealer Malware Infections -(opens in a new tab)
- AI Security Threats Go Live: Infostealers Are Hijacking Claude S(opens in a new tab)
- Anthropic locks out Claude users after infostealers hijack login(opens in a new tab)
// Get alerts for Claude