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Proton Investigating Service Disruption Affecting Users

A small number of users are unable to access Proton services as the company's engineering team works to resolve the issue.

By The Downtime · Sep 1, 2026 · 2:45 PM ·Updated 2 weeks ago

Proton is investigating a service disruption that is preventing a small number of users from accessing its platform. The company has classified the incident as major and is actively working to identify and resolve the underlying cause.

Proton offers encrypted email, VPN, and cloud storage services used by individuals and organizations seeking privacy-focused communications and data protection.

The company first acknowledged the issue in an initial status update stating that a limited number of users were experiencing access problems. Subsequent updates indicate the investigation is ongoing, with Proton committing to share additional details as they become available.

This is a developing story. The Downtime will provide updates as more information is released.

🕒 Live updates (5)

resolved Sep 1, 8:49 PM

This incident has been resolved.

monitoring Sep 1, 7:26 PM

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 Sep 1, 7:10 PM

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 Sep 1, 4:42 PM

We are continuing to investigate this issue.

investigating Sep 1, 2:37 PM

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.

📎 Sources

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.

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