Global Outage

Update timeline

1. investigating Aug 26, 2026, 10:09 PM UTC

   We are currently investigating this issue.

2. investigating Aug 26, 2026, 10:11 PM UTC

   We are continuing to investigate this issue.

3. investigating Aug 26, 2026, 10:14 PM UTC

   We are continuing to investigate this issue.

4. investigating Aug 26, 2026, 10:18 PM UTC

   It appears that Proton VPN works for some, so it has been changed to "Partial Outage" rather than "Major Outage"

5. identified Aug 26, 2026, 10:38 PM UTC

   We have identified a critical cooling failure in our Frankfurt datacenter. We are currently in the process of shifting traffic to our backups sites.

6. identified Aug 26, 2026, 11:37 PM UTC

   Our efforts to restore impacted services are now yielding results, and as a result are starting to recover for some users. Meanwhile, we are continuing recovery operations.

7. monitoring Aug 26, 2026, 11:57 PM UTC

   A fix has now been implemented, and we're monitoring results. This means most services have been recovered for most users now, but our efforts to recover the remaining instances continue.

8. resolved Aug 27, 2026, 12:27 AM UTC

   This outage has now been largely resolved, and services are back online. We are still clearing a few lingering issues, however, meaning some users will experience delays in email delivery and reception, and receiving notifications. No data has been lost as a result of this outage.

9. postmortem Aug 29, 2026, 06:53 PM UTC

   A post mortem of this incident has been made available here: [https://proton.me/blog/august-27-outage-incident-report](https://proton.me/blog/august-27-outage-incident-report)