Kaseya incident
Datto RMM - Syrah, Vidal - 15.0.1 Cagservice.exe being flagged as malicious (Rapidstop) by Microsoft Defender for Endpoint
Kaseya experienced a major incident on June 29, 2026, lasting 15d 22h. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Jun 29, 2026, 04:02 PM UTC
We are aware of a problem where Datto RMM's 15.0.1 Cagservice.exe is being flagged as malicious (Rapidstop) by Microsoft Defender for Endpoint. The Kaseya R&D Team are investigating this issue. Subscribe to the Kaseya Status Page for up-to-date information at https://status.kaseya.com/
- investigating Jun 29, 2026, 04:07 PM UTC
We are continuing to investigate this issue.
- identified Jun 29, 2026, 07:36 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring Jun 29, 2026, 10:47 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jul 15, 2026, 02:25 PM UTC
This incident has been resolved.