ThreatLocker incident
Computers not showing check-ins on Instance H
ThreatLocker experienced a minor incident on May 13, 2026 affecting API [Instance H] and Portal [Instance H], lasting 25m. The incident has been resolved; the full update timeline is below.
Affected components
API [Instance H]Portal [Instance H]
Update timeline
- investigating May 13, 2026, 05:56 PM UTC
We are currently investigating an issue with machines not checking in on instance H
- investigating May 13, 2026, 05:57 PM UTC
We are continuing to investigate this issue.
- resolved May 13, 2026, 06:21 PM UTC
Infrastructure was able to identify the cause quickly and was able to resolve the check-in issue. Instance H is back to fully operational.