Proton

Affected: Mobile and Desktop Apps, Desktop Apps

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. investigating 2026-10-02 14:54 UTC

   Some users on MacOS may be seeing errors stating that our Proton Mail & Proton Meet apps are qualified as malware. This is an error, there is no actual malware threat, and we're working together with Apple to restore functionality for our MacOS users. For context, earlier today...

2. investigating 2026-10-02 16:51 UTC

   Dear Proton community, On Friday, October 2, 2026, an issue with Apple's developer program caused Proton Mail for Mac and Proton Meet for Mac to stop opening on macOS for some users. MacOS also incorrectly flagged them as malware in some cases. Your data and accounts are safe....

3. resolved 2026-10-02 18:11 UTC

   We've now updated both the Proton Meet and Proton Mail MacOS desktop apps. If you're still receiving a pop-up on your device, please update to the latest version of the desktop apps. Once again, we apologize for any inconvenience this has caused.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Free servers, Mobile Apps, Web Application, Mobile Apps, Web Application, Incoming Mail, Regular Servers, Web Application, Mobile and Desktop Apps, Browser Extensions, Mobile and Desktop Apps, 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

Failure mode: Exhausted memory, disk, CPU, queues, connection pools or quotas. Root cause: A human mistake during operations. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-09-01 12:37 UTC

   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.

2. investigating 2026-09-01 14:42 UTC

   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...

3. identified 2026-09-01 17:10 UTC

   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...

4. monitoring 2026-09-01 17:26 UTC

   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...

5. resolved 2026-09-01 18:49 UTC

   UPDATE: The incident recovery caused some push notifications related to suspicious login activity to be delivered several hours later than expected. The delay affected only the delivery of these notifications and was related to the service disruption experienced earlier today....

Excerpts are shortened. Read the full incident on Proton's status page.

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

Failure mode: A zone, region or data center became unavailable. Root cause: Hardware or facility. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. investigating 2026-08-26 22:09 UTC

   We are currently investigating this issue.

2. investigating 2026-08-26 22:11 UTC

   We are continuing to investigate this issue.

3. investigating 2026-08-26 22:14 UTC

   We are continuing to investigate this issue.

4. investigating 2026-08-26 22:18 UTC

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

5. identified 2026-08-26 22:38 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 2026-08-26 23:37 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 2026-08-26 23:57 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 2026-08-27 00:27 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...

9. postmortem 2026-08-29 18:53 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)

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-07-15 04:27 UTC

   Some Proton VPN servers in the Dominican Republic are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-07-16 09:19 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Mobile Apps, Web Application, Mobile Apps, Web Application, Mobile and Desktop Apps, Browser Extensions, Proton Docs, Bridge, Mobile and Desktop Apps, Mobile Apps, SimpleLogin, Browser Extensions, Desktop Apps, Proton Wallet, Lumo by Proton

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-07-10 13:35 UTC

   We are aware of an incident, the team is working on investigating it.

2. investigating 2026-07-10 13:38 UTC

   We are currently experiencing an incident affecting login across Proton services. Our engineering teams are actively investigating and working to restore normal access as quickly as possible. We apologize for the disruption and will provide further updates as soon as more...

3. investigating 2026-07-10 13:38 UTC

   We are continuing to investigate this issue.

4. investigating 2026-07-10 13:39 UTC

   We are continuing to investigate this issue.

5. investigating 2026-07-10 13:40 UTC

   We are currently experiencing an incident affecting login across Proton services. Our engineering teams are actively investigating and working to restore normal access as quickly as possible. We apologize for the disruption and will provide further updates as soon as more...

6. investigating 2026-07-10 13:42 UTC

   We are currently experiencing an incident affecting login across Proton services. Our engineering teams are actively investigating and working to restore normal access as quickly as possible. We apologize for the disruption and will provide further updates as soon as more...

7. monitoring 2026-07-10 14:31 UTC

   Login access across Proton services has been restored. Our engineering teams are monitoring the recovery and investigating the root cause to prevent a recurrence. We apologize for the disruption and thank you for your patience.

8. resolved 2026-07-13 10:22 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Failure mode: Orchestration, control plane, service discovery or load balancing failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. resolved 2026-06-30 15:00 UTC

   We experienced an infrastructure issue on our API that caused some users to experience an empty Calendar app on Android, with no events or calendars displayed. No data was lost, and all events and calendars remained safe. The underlying issue was resolved at 2026-06-30 19:38...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: Hardware, power, cooling or another physical failure. Root cause: Hardware or facility. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. investigating 2026-06-29 11:49 UTC

   Proton VPN servers in North Macedonia are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-06-29 14:30 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-06-25 07:30 UTC

   Some Proton VPN servers in Cuba, Honduras, Guatemala and the Dominican Republic are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-06-25 10:16 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: Hardware, power, cooling or another physical failure. Root cause: Hardware or facility. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. identified 2026-06-24 21:41 UTC

   One of our providers is currently experiencing a partial outage, affecting some of our CH server fleet. The service remains otherwise operational, and we are working on a solution.

2. identified 2026-06-24 22:58 UTC

   A power cut in an upstream datacenter affected some of our Swiss servers. It has been resolved and we are proceeding with restoring the most critical servers.

3. monitoring 2026-06-24 23:41 UTC

   All servers are now booting,

4. resolved 2026-06-24 23:45 UTC

   All servers have been restored.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Web Application, Mobile and Desktop Apps

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. investigating 2026-06-16 12:27 UTC

   The team is currently investigating some intermittent connection issues reported by a few of our users for Proton Drive and Mail. We will share any updates here. We apologize for the inconvenience.

2. investigating 2026-06-16 12:27 UTC

   We are continuing to investigate this issue.

3. monitoring 2026-06-16 12:38 UTC

   A fix has been implemented and we are monitoring the results.

4. resolved 2026-06-16 13:18 UTC

   We've fixed a brief issue that caused intermittent connection errors for some Proton users. No user data was affected and no emails were lost, and all services are operating normally. We apologize for any inconvenience.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-05-20 11:25 UTC

   Proton VPN servers in Andorra are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-05-20 14:01 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Mobile and Desktop Apps

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. investigating 2026-05-15 20:47 UTC

   We are currently investigating an issue impacting Proton VPN desktop app users only on Windows 7. If you are affected and unable to establish a connection, setting up a manual WireGuard connection should work instead: https://protonvpn.com/support/wireguard-configurations

2. monitoring 2026-05-16 10:45 UTC

   The issue has been identified, and a fix has been implemented. We are monitoring the situation to ensure it is fully resolved.

3. resolved 2026-05-16 21:11 UTC

   The issue is completely resolved. There are no further problems on Windows 7.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-05-07 14:23 UTC

   Proton VPN servers in the District Of Columbia are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-05-13 08:08 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A code release introduced the failure. Root cause: A bug in the vendor's own code. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-05-01 07:54 UTC

   We are investigating reporting that port-forwarding is not fully functional on part of the Proton VPN infrastructure. Our team is investigating.

2. identified 2026-05-01 08:21 UTC

   The issue affects specifically Canadian servers. Port-forwarding is working on any other country supporting it.

3. resolved 2026-05-01 09:52 UTC

   The faulty component responsible for the failures of Port Forwarding on Canadian servers has been reverted to a working version.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-03-24 14:00 UTC

   Proton VPN servers in Bangladesh are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-04-09 15:07 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-02-13 08:47 UTC

   Proton VPN servers in Palestine are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-02-16 12:37 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Proton Docs

Failure mode: A code release introduced the failure. Root cause: A bug in the vendor's own code. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. investigating 2026-01-16 15:00 UTC

   We are currently investigating this issue.

2. resolved 2026-01-16 19:27 UTC

   Incident Summary – Proton Docs & Sheets Service Outage Date & Time: 15:20 CET – 17:05 CET, partial outage 17:05-19:30 CET Impact: Users were unable to access Proton Docs and Proton Sheets during the incident window. Root Cause: A faulty client deployment introduced an error in...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2026-01-15 08:37 UTC

   Proton VPN servers in Iceland are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2026-01-16 16:30 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-12-23 15:16 UTC

   Proton VPN servers in Latvia are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2025-12-24 12:31 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: proton.me Website, protonvpn.com Website

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

Names an upstream provider: Cloudflare.

1. identified 2025-11-18 13:56 UTC

   We are currently investigating ways to remedy the global Cloudflare outage.

2. resolved 2025-11-18 14:52 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Web Application, Mobile Apps, Mobile and Desktop Apps, Browser Extensions, Mobile Apps, proton.me Website

Failure mode: Hardware, power, cooling or another physical failure. Root cause: Hardware or facility. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. investigating 2025-10-30 09:08 UTC

   We are currently investigating this issue.

2. investigating 2025-10-30 09:32 UTC

   We are continuing to investigate this issue.

3. monitoring 2025-10-30 09:50 UTC

   A fix has been implemented and we are monitoring the results.

4. resolved 2025-10-30 10:07 UTC

   All services are back online. Earlier today a small portion of our userbase had issues accessing some of our products. The disruption was caused by a partial power failure in Proton's Oslo datacenter which caused our system to be unable to tell if the datacenter was online or...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Free servers, Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. identified 2025-10-24 14:15 UTC

   Some Proton VPN servers in Romania are experiencing latency issues. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2025-10-27 09:14 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Free servers, Regular Servers, Secure Core Servers

Failure mode: Login, tokens, certificates or credentials failed. Root cause: A human mistake during operations. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. investigating 2025-09-10 05:43 UTC

   We are currently investigating this issue.

2. investigating 2025-09-10 06:26 UTC

   We are continuing to investigate this issue.

3. investigating 2025-09-10 06:46 UTC

   We are continuing to investigate this issue.

4. monitoring 2025-09-10 09:47 UTC

   The root cause of the issue has now been identified, and a fix has been implemented. All users should now be able to reconnect. If you are still unable to do so, please log out, and then back in. Once done, everything should work as usual. For those of you interested in the...

5. resolved 2025-09-10 11:01 UTC

   This incident has been resolved.

6. postmortem 2025-09-10 11:59 UTC

   **Incident Summary – Proton VPN VPN Servers Authentication Outage** **Date & Time:** 7:30 CEST – 10:30 CEST \(2025‑09‑10\) **Impact:** A subset of users experienced connection failures when connecting to Proton VPN servers. The issue prevented new sessions from being...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Proton Docs

Failure mode: Network, DNS, routing or connectivity failure. Root cause: Network or DNS. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-07-08 18:36 UTC

   Proton Docs is experiencing a temporary issue affecting a very small number of documents, causing customers to be unable to edit their document. As a workaround, customers can copy the information in the affected document, and paste it into a new one. The team is working to fix...

2. investigating 2025-07-08 18:38 UTC

   We are continuing to investigate this issue.

3. resolved 2025-07-09 13:38 UTC

   A connectivity issue caused some documents to temporarily become read-only. The issue has been resolved, and all affected documents should be editable as normal once more.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Mobile and Desktop Apps

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. identified 2025-06-21 11:17 UTC

   We are currently investigating a reachability issue affecting Proton Drive in Belgium, specifically when using Telnet or Proximus internet service providers. Our engineering teams are actively working to identify the root cause and are in contact with both ISPs to resolve the...

2. resolved 2025-06-23 10:44 UTC

   This incident is fully resolved now. The Belgian authorities had erroneously blocked the Proton Drive domain due to an implementation error while attempting to block a specific URL. As soon as we identified the issue, our team engaged with the relevant authorities, including...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-05-28 08:53 UTC

   We are currently experiencing a geolocation issue with the Costa Rica and Georgia VPN servers. Our team is collaborating with the geolocation database provider to resolve this matter as quickly as possible. We apologize for any inconvenience this may cause

2. resolved 2025-06-11 06:20 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-05-22 13:17 UTC

   Some Proton VPN servers in the Netherlands are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2025-05-22 14:06 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-05-13 13:15 UTC

   We are currently experiencing a geolocation issue with the Pakistani VPN servers. Our team is collaborating with the geolocation database provider to resolve this matter as quickly as possible. We apologize for any inconvenience this may cause

2. resolved 2025-05-22 09:38 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-04-25 08:32 UTC

   Proton VPN servers in Georgia are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2025-05-28 08:56 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-04-25 08:29 UTC

   Proton VPN servers in Costa Rica are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2025-05-28 08:56 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Proton Wallet

Failure mode: A code release introduced the failure. Root cause: A bug in the vendor's own code. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. identified 2025-04-22 13:21 UTC

   We are currently experiencing issues related to a Proton Wallet deploy, causing a brief downtime. We have identified the root cause and are working on a hotfix. Thank you for your patience.

2. resolved 2025-04-22 16:36 UTC

   This has now been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A zone, region or data center became unavailable. Root cause: A human mistake during operations. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. investigating 2025-04-08 16:36 UTC

   Proton VPN servers in Myanmar are under maintenance. This is a scheduled maintenance, we apologize for the inconvenience.

2. resolved 2025-04-09 08:07 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Failure mode: A code release introduced the failure. Root cause: A bug in the vendor's own code. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. investigating 2025-04-08 10:44 UTC

   Some Proton Docs users may experience a temporary issue loading their documents due to an infrastructure maintenance. We are aware of the issue and our engineers are looking into fixing this as soon as possible. Rest assured that your documents are completely safe in the...

2. identified 2025-04-08 11:37 UTC

   The issue has been identified and a fix is being implemented.

3. monitoring 2025-04-08 11:56 UTC

   A hotfix has been implemented and we're monitoring the results.

4. resolved 2025-04-08 12:33 UTC

   The incident has been fully resolved and the service is back to normal operation. No data has been lost. Thank you for bearing with us and we apologize again for any inconvenience.

Excerpts are shortened. Read the full incident on Proton's status page.

Failure mode: Network, DNS, routing or connectivity failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-04-06 11:53 UTC

   We are currently investigating this. Thank you for your patience.

2. monitoring 2025-04-08 10:34 UTC

   A fix has been implemented and we are monitoring the results.

3. resolved 2025-05-26 09:16 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: Hardware, power, cooling or another physical failure. Root cause: A human mistake during operations. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. investigating 2025-03-20 14:14 UTC

   Proton VPN dedicated servers in Ashburn, US are under maintenance. This is a scheduled maintenance, we apologize for the inconvenience.

2. resolved 2025-03-24 07:53 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A zone, region or data center became unavailable. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-03-17 11:53 UTC

   Some Proton VPN servers in Switzerland are under maintenance. This is a scheduled maintenance, we apologize for the inconvenience.

2. resolved 2025-04-29 09:43 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A zone, region or data center became unavailable. Root cause: A human mistake during operations. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. investigating 2025-03-12 15:59 UTC

   Parts of Proton VPN infrastructure in Los Angeles, US, will be under planned maintenance. This is a scheduled maintenance, we apologize for the inconvenience.

2. resolved 2025-03-17 12:17 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Incoming Mail, Outgoing Mail, Bridge, Mobile Apps, Push Notifications, Desktop Apps

Failure mode: Orchestration, control plane, service discovery or load balancing failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

1. investigating 2025-02-04 16:18 UTC

   We've identified a potential issue with our Proton Mail services and are investigating.

2. monitoring 2025-02-04 16:48 UTC

   A fix has been implemented and all services are back online. We're monitoring to see results, and we'll come back with more updates soon.

3. monitoring 2025-02-04 17:47 UTC

   Services are still operating as usual, and we are continuing to monitor the situation. We will come back with another update later.

4. monitoring 2025-02-04 18:52 UTC

   There was a partial downtime earlier today, impacting different services at different times over a roughly half-hour period. Services have been fully back online since approximately 17:40 Zurich. Due to redundant systems, no data was lost, but some emails may be delayed. If, for...

5. resolved 2025-02-04 19:55 UTC

   This incident has been resolved. If you are still experiencing any issues please contact our customer support team so that we may assist you further. Thank you for your patience.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Mobile Apps, Web Application, Mobile Apps, Web Application, Mobile and Desktop Apps, Browser Extensions, Mobile Apps, Desktop Apps

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

Names an upstream provider: Cloudflare.

1. investigating 2025-01-30 08:11 UTC

   We are currently experiencing intermittent network issues affecting some of our users in certain regions. We are currently investigating the situation and working to fully restore services as soon as possible. We apologize for the inconvenience.

2. investigating 2025-01-30 08:16 UTC

   We are continuing to investigate this issue.

3. investigating 2025-01-30 08:17 UTC

   We are continuing to investigate this issue.

4. identified 2025-01-30 08:55 UTC

   We've identified the network issue as being an upstream issue with Cloudflare and we're currently working with them to resolve it. For the very small percentage of our users who are affected by this, please accept our apologies for the temporary inconvenience and we hope to be...

5. identified 2025-01-30 09:10 UTC

   We are still actively working on resolving the issue. A possible workaround which may help is to try a different connection, or if using a VPN, try switching between several different VPN servers, or temporarily turn off the VPN to see if this helps, as only a small fraction of...

6. monitoring 2025-01-30 10:46 UTC

   The issue should now be fully resolved and all services are up and running. The incident was limited to a very small number of IPs, most users were not impacted. We are still monitoring as we wait for further incident details from Cloudflare. We again apologize for the...

7. resolved 2025-01-30 12:31 UTC

   The issue is fully resolved now. The downtime was unfortunately caused by an issue at Cloudflare, one of our upstream service providers, so we had no control over the incident or its resolution. Cloudflare unfortunately dropped traffic from a small number of IP addresses at...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A zone, region or data center became unavailable. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-01-22 16:39 UTC

   Proton VPN servers in Japan are under planned maintenance. This is a scheduled maintenance, we apologize for the inconvenience. We will follow up with more information accordingly.

2. identified 2025-01-22 16:41 UTC

   The issue has been identified and a fix is being implemented.

3. resolved 2025-01-23 12:29 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Free servers

Failure mode: Traffic surge or denial-of-service attack. Root cause: Not enough capacity for the load. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-01-19 10:34 UTC

   Coinciding with the TikTok and CapCut ban in the US, we're having a spike of connections and traffic towards our services. Our tech team is working to ensure that loads are balanced, making sure the experience is smooth for everybody. Additionally, we have had reports of...

2. monitoring 2025-01-19 10:35 UTC

   A fix has been implemented and we are monitoring the results.

3. monitoring 2025-01-19 11:25 UTC

   We are continuing to monitor for any further issues.

4. monitoring 2025-01-20 11:06 UTC

   We are continuing to monitor for any further issues.

5. resolved 2025-01-30 17:43 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

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, Streaming, Bridge, Mobile and Desktop Apps, Mobile Apps, Browser Extensions, Push Notifications, protonvpn.com Website, Desktop Apps, Proton Wallet

Failure mode: Exhausted memory, disk, CPU, queues, connection pools or quotas. Root cause: A bug in the vendor's own code. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2025-01-09 15:10 UTC

   We are currently experiencing intermittent network issues affecting some of our users. We are working to fully restore services as soon as possible. We apologize for the inconvenience.

2. investigating 2025-01-09 15:27 UTC

   We are continuing to investigate this issue.

3. identified 2025-01-09 16:42 UTC

   As of 16:15 CET, all services other than Mail and Calendar are operating normally. We are still working on fixing the issue and restoring the rest of the affected services. We'll come back with more information in the next update. Thank you for your patience.

4. identified 2025-01-09 17:37 UTC

   Access to Proton Mail has been fully restored, and we can confirm that it is now operating normally. We are working on a solution for Calendar and will be back soon with more information.

5. identified 2025-01-09 18:00 UTC

   We are continuing to work on a fix for this issue.

6. monitoring 2025-01-09 18:27 UTC

   We have resolved all service outages, and the situation has been stable for some time. We have identified the root cause of the problem, implemented a fix, and are now monitoring the results.

7. resolved 2025-01-09 20:49 UTC

   Incident report: Earlier today at around 4PM Zurich, the number of new connections to Proton's database servers increased sharply globally across Proton's infrastructure. This overloaded Proton's infrastructure, and made it impossible for us to serve all customer connections....

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application, Mobile Apps, Web Application, Mobile Apps, Web Application, Mobile and Desktop Apps, Browser Extensions, Bridge, Mobile and Desktop Apps, Mobile Apps, Browser Extensions, Desktop Apps

Failure mode: Network, DNS, routing or connectivity failure. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. investigating 2024-12-17 23:20 UTC

   Due to a network incident, Proton is experiencing service instability. We have all hands on deck currently working on improving stability, and we will update again as soon as we have more information. Thank you for your patience!

2. investigating 2024-12-17 23:22 UTC

   We are continuing to investigate this issue.

3. monitoring 2024-12-17 23:35 UTC

   A fix has been implemented and we are monitoring the results.

4. resolved 2024-12-18 00:50 UTC

   Due to an undocumented change in an operating system update shipped by one of our network equipment vendors, network devices in our Frankfurt datacenter experienced an unexpected partial failure. This incident impacted primarily Proton Mail, with approximately 50% of users who...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Web Application

Failure mode: Network, DNS, routing or connectivity failure. Root cause: Network or DNS. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. identified 2024-11-22 01:37 UTC

   The fiber faults between continental Europe and the Nordic countries caused a failure in the systems supporting the Proton Docs real-time editing feature. While document content is available, it is read-only for now. We are working to diagnose the failure and restore service as...

2. resolved 2024-11-22 02:33 UTC

   Editing for Proton Docs is now working normally.

Excerpts are shortened. Read the full incident on Proton's status page.

Failure mode: Network, DNS, routing or connectivity failure. Root cause: Hardware or facility. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

1. resolved 2024-11-21 23:00 UTC

   Apologies for the delay in updating the status. The issue has now been resolved. Root cause was multiple simultaneous fiber failures somewhere in Nordic/Baltic region. It randomly impacted some users if their connection happened to traverse the impacted routes. As you might have...

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A zone, region or data center became unavailable. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2024-11-06 15:43 UTC

   Some Proton VPN servers in Romania are currently unavailable. We are working with the upstream datacenter in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2024-11-07 07:02 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2024-09-26 16:15 UTC

   Proton VPN servers in Norway are currently unavailable. We are working with the upstream provider in order to solve the issue as soon as possible. We apologize for the inconvenience.

2. resolved 2024-10-16 12:16 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Free servers, Regular Servers, Secure Core Servers, Streaming, Mobile and Desktop Apps, Browser Extensions, protonvpn.com Website

Failure mode: Network, DNS, routing or connectivity failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2024-09-24 21:08 UTC

   We are working on a fix to circumnavigate restrictions. Thank you for your patience!

2. resolved 2024-09-25 12:19 UTC

   This incident has been resolved.

Excerpts are shortened. Read the full incident on Proton's status page.

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. resolved 2024-08-30 09:30 UTC

   We've experienced technical issues between 11.23 and 11.33 CEST. During this time, some users were unable to use Proton Mail and Proton VPN. We apologize again for the inconvenience. We can confirm no data has been lost.

Excerpts are shortened. Read the full incident on Proton's status page.

Affected: Regular Servers

Failure mode: A provider or third-party service this vendor depends on failed. Root cause: A failure at a provider or vendor they depend on. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

1. investigating 2024-08-18 13:45 UTC

   PT Recebemos vários relatos hoje de usuários no Brasil com dificuldades para instalar o aplicativo Proton VPN em dispositivos iOS pela Apple App Store. Podemos confirmar que o problema não está do nosso lado, mas provavelmente na própria App Store, que é controlada pela Apple. O...

2. resolved 2024-08-20 19:09 UTC

   .

Excerpts are shortened. Read the full incident on Proton's status page.