Anthropic alerts Claude users to malware hijacking accounts and draining credits

AI company Anthropic has issued a security warning to users of its Claude platform about an active threat from infostealer malware. The malware is capable of hijacking live login sessions, allowing attackers to bypass standard security measures and gain unauthorized access to accounts. As a result, affected users are experiencing misuse of their accounts and unexpected usage charges. Anthropic has responded by logging out compromised users and issuing refunds for any unauthorized activity. The company is urging affected users to change their passwords and remove the malware from their devices.