LexisNexis Cirium incident
Alerts API Alert Service Interruption
LexisNexis Cirium experienced a critical incident on December 5, 2025 affecting Cirium Sky™ APIs, lasting 2h 52m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Dec 05, 2025, 05:56 PM UTC
We’ve received reports from some Alerts API customers experiencing issues with alert callbacks due to WAF (Web Application Firewall) rules. This incident may have started at approximately 2025-12-05 16:39 UTC. Our team is actively investigating and working to resolve the problem. Our next update will be 21:26 UTC on 2025-12-05.
- identified Dec 05, 2025, 06:54 PM UTC
We have identified the cause of a current Alerts API disruption and are actively working on a fix to restore full functionality. Further updates will be posted here as progress continues. Thank you for your patience and understanding.
- resolved Dec 05, 2025, 08:49 PM UTC
We’ve applied a fix to our alerting service and engineering will continue to monitor system performance to ensure stability. As part of this update, we have temporarily disabled a specific validation check to prevent further disruptions. Please contact our Help Desk if you have any questions.