WithSecure incident

MS domain(aka.ms) is blocked as harmful in ECP

Minor Resolved View vendor source →

WithSecure experienced a minor incident on December 3, 2025 affecting Collaboration Protection, lasting 1h 20m. The incident has been resolved; the full update timeline is below.

Started
Dec 03, 2025, 02:50 AM UTC
Resolved
Dec 03, 2025, 04:11 AM UTC
Duration
1h 20m
Detected by Pingoru
Dec 03, 2025, 02:50 AM UTC

Affected components

Collaboration Protection

Update timeline

  1. investigating Dec 03, 2025, 02:50 AM UTC

    MS domain(aka.ms related domain) is blocked as harmful in Elements Collaboration Protection(ECP). Visible effects of this is that mail sending/receiving are blocked in ECP

  2. resolved Dec 03, 2025, 04:11 AM UTC

    This issue has been resolved.