Anthropic confirmed that hackers using infostealer malware have been hijacking Claude subscribers' login sessions and draining their paid usage without stealing passwords, affecting users like indepen…
Anthropic has detected a wave of infostealer malware campaigns that hijack Claude user accounts to mine AI tokens, and has begun signing affected users out and removing saved payment methods to stop t…
Anthropic began contacting affected Claude users on August 30, 2026, after discovering that infostealer malware had compromised their computers and stolen active login session cookies, allowing attack…
Anthropic has begun locking users out of their Claude accounts after login sessions were hijacked by infostealer malware, including Vidar, Lumma (LummaC2), StealC, RedLine, Acreed on Windows, and Atom…
Anthropic has begun signing out users and removing payment methods after detecting that infostealer malware, including Vidar, Lumma (LummaC2), StealC, RedLine, Acreed, and Atomic Stealer (AMOS), has b…
A report from Lunar Cyber reveals that hootsuite.com suffered a significant credential exposure event, with over 346,000 total events, including 346,082 client accounts and 400 employee accounts compr…