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.
Posted Aug 27, 2026 - 02:27 CEST
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.
Posted Aug 27, 2026 - 01:57 CEST
Update
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.
Posted Aug 27, 2026 - 01:37 CEST
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.
Posted Aug 27, 2026 - 00:38 CEST
Update
It appears that Proton VPN works for some, so it has been changed to "Partial Outage" rather than "Major Outage"
Posted Aug 27, 2026 - 00:18 CEST
Update
We are continuing to investigate this issue.
Posted Aug 27, 2026 - 00:14 CEST
Update
We are continuing to investigate this issue.
Posted Aug 27, 2026 - 00:11 CEST
Investigating
We are currently investigating this issue.
Posted Aug 27, 2026 - 00:09 CEST
This incident affected: Proton Mail (Web Application, Incoming Mail, Outgoing Mail, Bridge, Mobile Apps, Push Notifications, Desktop Apps), Proton VPN (Free servers, Regular Servers, Secure Core Servers, Streaming, Mobile and Desktop Apps, Browser Extensions, protonvpn.com Website), Proton Calendar (Mobile Apps, Web Application), Proton Drive (Web Application, Mobile and Desktop Apps, Proton Docs), Proton Pass (Mobile Apps, Browser Extensions), and SimpleLogin, Proton Wallet, Lumo by Proton.