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Chainalysis says hackers stole credentials and tokens for all of its customers

arstechnica.comNov 9, 2026

Blockchain analysis firm Chainalysis reported that hackers stole sensitive personal information, including names, usernames, password hashes, and live tokens, from all its users following a network security breach. The company confirmed an "on-path attack" exposed a subset of customer passwords and that an investigation revealed exposure of certain customer information for all users. Chainalysis has since taken down services, begun phasing in customer access, and mandated credential resets, though several questions about the attack remain unanswered.

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