Chainalysis security incident history
Hacking, data breaches and other security incidents involving Chainalysis, with related coverage.
Chainalysis breach exposes all users’ credentials
Impact: Exposure of all users’ credentials and active tokens
An external attacker gained access to Chainalysis’s internal systems and tools, exposing customer names, email addresses, user IDs and other information. The company disclosed the incident on 30 October, notified customers and began an investigation with external experts, initially saying it had found no evidence of unauthorised access to credentials or session tokens. It subsequently confirmed that all users’ credentials and active tokens had been exposed, as well as password hashes and some customers’ passwords. Major services were disrupted, and service restoration began on 6 November.
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