Reactor and screening services are back online after the attack, while two investigation services remain under maintenance.
Blockchain analytics company Chainalysis has restored Reactor, KYT and Address Screening after a security incident exposed account information for all its users. Its Investigations API and Rapid Lookup services remained under maintenance on Nov. 9.
The company announced the return of Reactor and its screening products at 18:50 UTC on Nov. 7, saying it was emailing customers instructions for reconnecting with enhanced security measures.
The snapshot below records the earlier Nov. 7 position before that restoration announcement, not the current status.
The service dashboard listed KYT's interface and API, along with Address Screening, as operational on Nov. 7. Reactor, Investigations API and Rapid Lookup were under maintenance. Those operational labels therefore do not mean every screening customer has regained access.
Chainalysis's Nov. 7 status separates service-component availability from customer access. Screening is returning in phases while investigation tools remain under maintenance.
KYT and Address Screening access is phased. Once access is granted, all users must reset passwords and rotate API keys as applicable before registering transactions.
Reactor, Investigations API and Rapid Lookup remain under maintenance in the captured Nov. 7 status.
An operational screening label does not mean every customer is ready to register transactions.
Status is time-bound to the captured November 7 updates. Customer counts, completion percentages and an investigation-service restoration deadline are not supplied. A required action in the diagram is not a claim that every customer has completed it.
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