// ClaudeHIGH
Security analysts identified RevStealer, specialized information-stealing malware targeting Anthropic Claude users. The malware extracts browser cookies and authentication tokens from infected employee machines, bypassing multi-factor authentication to establish unauthorized session persistence. Attackers with active Claude sessions can access sensitive internal conversations, proprietary code, and confidential prompt histories. Organizations should enforce short session timeouts, deploy endpoint protections, and restrict input of proprietary secrets into conversational interfaces.
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