Critical incident

Proton Services: Global Outage

Affected: Web Application, Free servers, Mobile Apps, Web Application, Mobile Apps, Incoming Mail, Regular Servers, Web Application, Mobile and Desktop Apps, Browser Extensions, Outgoing Mail, Secure Core Servers, Proton Docs, Streaming, Bridge, Mobile and Desktop Apps, Mobile Apps, SimpleLogin, Browser Extensions, Push Notifications, protonvpn.com Website, Desktop Apps, Proton Wallet, Lumo by Proton

Current status of Proton Services: Operational — live Proton Services status

Timeline

1. Aug 26, 2026, 22:09 UTC
   investigating
   We are currently investigating this issue.
2. Aug 26, 2026, 22:11 UTC
   investigating
   We are continuing to investigate this issue.
3. Aug 26, 2026, 22:14 UTC
   investigating
   We are continuing to investigate this issue.
4. Aug 26, 2026, 22:18 UTC
   investigating
   It appears that Proton VPN works for some, so it has been changed to "Partial Outage" rather than "Major Outage"
5. Aug 26, 2026, 22:38 UTC
   identified
   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. Aug 26, 2026, 23:37 UTC
   identified
   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. Aug 26, 2026, 23:57 UTC
   monitoring
   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. Aug 27, 2026, 00:27 UTC
   resolved
   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. UPDATE: We have now resolved the remaining minor issues. We will be providing a post mortem with more information about the incident, here on the status page, after we complete the incident clean up.
9. Aug 29, 2026, 18:53 UTC
   postmortem
   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)

Updates as published by Proton Services (original).