Outage in Proton
Service disruption
Resolved MajorIncident Report
Summary AI Generated
Proton experienced a 6.3-hour major service disruption caused by residual hardware failures linked to a prior overheating incident, resulting in reduced infrastructure capacity. The outage affected virtually all Proton services, including Mail, VPN, mobile apps, web applications, Bridge, and servers across all tiers. Database capacity was restored, traffic limitations were lifted, queued emails were progressively delivered with no data loss, and the incident was fully resolved by 20:49 local time.
We’re aware that a small number of users may be experiencing issues accessing Proton services.
Our team is investigating and we will share updates here as soon as possible.
We apologize for the inconvenience.
Components affected
Proton Mobile Apps Proton Free servers Proton Web Application Proton Web Application Proton Regular Servers Proton Incoming Mail Proton Web Application Proton Secure Core Servers Proton Outgoing Mail Proton Streaming Proton Mobile and Desktop Apps Proton Bridge Proton protonvpn.com Website Proton Mobile Apps Proton Push NotificationsTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
18 days ago - at 09/01/2026 06:49PM
This incident has been resolved.
MONITORING
18 days ago - at 09/01/2026 05:26PM
Traffic limitations have been fully removed for all users.
Services are returning to normal operation, and outgoing mail will be gradually re-enabled in 15 minutes. Messages that were queued during the disruption are being delivered progressively
Our engineers continue to monitor the infrastructure closely as capacity returns to full levels.
We'll confirm here once everything is completely back to normal.
IDENTIFIED
18 days ago - at 09/01/2026 05:10PM
Database capacity is being restored. Traffic limitations are being gradually lifted and outgoing mail will be re-enabled as soon as the situation is stable. Queued emails will be delivered progressively, and no data was lost as a result of this disruption.
Thank you for your patience, we'll update you again once everything is back to normal.
INVESTIGATING
18 days ago - at 09/01/2026 02:42PM
We are currently dealing with residual hardware failures that are likely related to the damage suffered from the overheating incident last week. At the moment we are operating at a reduced capacity, while our engineers work to bring additional infrastructure online. We apologize for the unfortunate timing of this incident and any disruption or inconvenience this may have caused you.
INVESTIGATING
18 days ago - at 09/01/2026 12:37PM
We’re aware that a small number of users may be experiencing issues accessing Proton services.
Our team is investigating and we will share updates here as soon as possible.
We apologize for the inconvenience.
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