BreachesAug 31, 2026
Anthropic Users Hit by Infostealer Attacks, Session Thefts
Anthropic users targeted by infostealer attacks leading to session theft.
Summary
A threat actor has successfully targeted users of Anthropic's AI chatbot, Claude. The attacker employed various infostealer malware strains to pilfer session cookies and credentials, granting them unauthorized access to user accounts. The exact number of affected users remains unknown.
Indicators of Compromise
- malware — infostealer
Entities
Claude (product)Anthropic (vendor)