Security-related maintenance work

Incident Report for Chainalysis

Update

Our security-related maintenance remains ongoing as we continue working to restore all systems to normal operation. We will provide further updates at regular intervals and as new information becomes available.
Posted Nov 04, 2026 - 02:17 UTC

Update

The previously affected functionality in the Customer Admin Portal has been restored.

Our security-related maintenance remains ongoing as we continue working to restore all systems to normal operation. We will provide further updates at regular intervals and as new information becomes available.
Posted Nov 03, 2026 - 23:05 UTC

Update

As part of our ongoing security-related maintenance, some functionality in the Customer Admin Portal may be temporarily unavailable.

We are continuing our work to restore all systems to normal operation and will provide further updates at regular intervals and as new information becomes available.
Posted Nov 03, 2026 - 19:56 UTC

Update

As part of our security-related maintenance work, our Academy training platform may be inaccessible to users. If any customers are impacted, particularly those undertaking certifications or exams, please rest reassured that we will provide additional time or extend exam deadlines as appropriate

We are continuing our work to bring all systems back to operational and will continue to provide status updates at regular intervals and as new information becomes available.
Posted Nov 03, 2026 - 17:00 UTC

Update

As part of our security-related maintenance work, our Academy training platform may be inaccessible to users. We are continuing our work to bring all systems back to operational and will continue to provide status updates at regular intervals and as new information becomes available.
Posted Nov 03, 2026 - 14:30 UTC

Update

Security maintenance is ongoing. We’ll continue to share regular updates, with the next one expected within the next few hours.
Posted Nov 03, 2026 - 12:32 UTC

Update

Our security-related maintenance is still in progress. We will continue to provide regular updates, with the next update expected within a few hours.
Posted Nov 03, 2026 - 08:55 UTC

Update

Our security-related maintenance is still in progress. For more details on the incident and maintenance, please refer to: https://www.chainalysis.com/blog/security-incident-october-30/

We'll continue to provide updates in the next few hours as they become available.
Posted Nov 03, 2026 - 04:10 UTC

Update

Our security-related maintenance is still in progress. We will continue to provide regular updates, with the next update expected within a few hours.
Posted Nov 03, 2026 - 02:15 UTC

Update

Our security-related maintenance is still in progress. We will continue to provide regular updates, with the next update expected within a few hours.
Posted Nov 02, 2026 - 23:40 UTC

Update

Our security-related maintenance work is still ongoing. We will continue to provide regular status updates while this work is ongoing.
Posted Nov 02, 2026 - 20:53 UTC

Update

As part of our security-related maintenance work, Reactor remains temporarily unavailable. Data Solutions, Chain (Beta), and Rapid are also now temporarily unavailable while the team completes this work. Some Hexagate monitoring capabilities may be affected. We will keep our customers updated at least every hour.
Posted Nov 02, 2026 - 19:43 UTC

Update

Our security-related maintenance work is ongoing. We will continue to provide regular status updates every 1 hour while this work is ongoing.
Posted Nov 02, 2026 - 18:29 UTC

Update

Our team is continuing to perform critical security-related maintenance work and Reactor may continue to be unavailable during this work. Users may also experience issues logging in during this time.

We will provide our next update within the hour or as more information becomes available.
Posted Nov 02, 2026 - 17:26 UTC

Investigating

As part of our security-related maintenance, Reactor is currently unavailable while the team completes critical work. Our transaction monitoring products, KYT and Address Screening, are running as usual with the exception of Graph preview in KYT and KYT’s integration with Reactor. The Chainalysis team will be in touch with more information.
Posted Nov 02, 2026 - 15:50 UTC
This incident affects: Crypto Investigations (Reactor, Rapid Lookup).