Chainalysis hack exposure takes screening tools offline as users reset passwords

Chainalysis took its KYT service, address screening products and login page offline on November 4 after detecting abnormal activity, expanding its response to exposure from the Chainalysis hack. The blockchain analytics firm notified customers whose accounts appeared to have been accessed without authorization and instructed them to reset passwords and rotate API keys. Key takeaways Chainalysis shut down multiple products during its investigation. An October 30 notice found no evidence of credential or session-token access. KYT customers must allowlist trusted IP addresses before registering transactions again. Chainalysis says the incident is separate from the Binance theft.