Trend Micro incident

Outbound issue: Cannot send the emails successfully to some Microsoft email services.

Major Resolved View vendor source →

Trend Micro experienced a major incident on February 13, 2026 affecting Trend Micro Email Security, lasting 3d 16h. The incident has been resolved; the full update timeline is below.

Started
Feb 13, 2026, 04:00 AM UTC
Resolved
Feb 16, 2026, 08:30 PM UTC
Duration
3d 16h
Detected by Pingoru
Feb 13, 2026, 04:00 AM UTC

Affected components

Trend Micro Email Security

Update timeline

  1. investigating Feb 13, 2026, 04:00 AM UTC

    Trend Micro service engineers are actively investigating a potential issue that may be affecting our customers. Some services may experience temporary degradation or intermittent availability. We are working to identify the specific impact and resolve the issue as quickly as possible. We apologize for the inconvenience and greatly appreciate your patience as we work towards a prompt resolution.

  2. investigating Feb 13, 2026, 04:30 AM UTC

    Trend Micro service engineers have successfully identified the cause of the incident and are actively developing a solution to mitigate the impact. More information will be posted as available, and we greatly appreciate your patience as we work towards a resolution.

  3. monitoring Feb 13, 2026, 05:30 AM UTC

    Trend Micro service engineers believe that the cause of the incident has been identified. A solution to mitigate the impact is being worked on. More information will be posted as available, and we greatly appreciate your patience as we work to a resolution.

  4. investigating Feb 13, 2026, 06:30 AM UTC

    Trend Micro service engineers believe that the cause of the incident has been identified. A solution to mitigate the impact is being worked on. More information will be posted as available, and we greatly appreciate your patience as we work to a resolution.

  5. investigating Feb 13, 2026, 07:00 AM UTC

    Trend Micro service engineers believe that the cause of the incident has been identified. A solution to mitigate the impact is being worked on. More information will be posted as available, and we greatly appreciate your patience as we work to a resolution.

  6. investigating Feb 13, 2026, 02:00 PM UTC

    Trend Micro service engineers are still addressing an ongoing issue. We are continuing to work towards a resolution and restoring services as soon as possible. More information will be posted as available, and we greatly appreciate your patience as we work towards a resolution.

  7. investigating Feb 13, 2026, 03:00 PM UTC

    Trend Micro service engineers have implemented a solution and are monitoring services at this time. We greatly appreciate your patience while we are returning services to normal.

  8. investigating Feb 14, 2026, 02:00 AM UTC

    Trend Micro service engineers have implemented a solution and are monitoring services at this time. We greatly appreciate your patience while we are returning services to normal.

  9. investigating Feb 14, 2026, 08:00 AM UTC

    Trend Micro service engineers have implemented a solution and are monitoring services at this time. We greatly appreciate your patience while we are returning services to normal.

  10. investigating Feb 15, 2026, 02:00 AM UTC

    Trend Micro service engineers have implemented a solution and are monitoring services at this time. We greatly appreciate your patience while we are returning services to normal.

  11. investigating Feb 15, 2026, 08:00 AM UTC

    Trend Micro service engineers have implemented a solution and are monitoring services at this time. We greatly appreciate your patience while we are returning services to normal.

  12. resolved Feb 16, 2026, 08:30 PM UTC

    Trend Micro service engineers have confirmed that the implemented solution has resolved the issue. All affected services are considered back to normal and the issue has been resolved.