Intermittent SSO unavailability due to downstream outage

Final update

# **Incident Postmortem - Intermittent SSO Availability** **Date of Incident:** 2025-07-14 **Time of Incident \(UTC\):** 22:00UTC - 11:23UTC **Service\(s\) Affected:** SSO **Impact Duration:** 1 hour and 23 minutes ## **Summary** On July 14, 2025 1Password’s SSO services were intermittently slow or unavailable for approximately 1 hour and 23 minutes. This was due to an outage with an upstream provider which 1Password backend services rely on to verify DNS lookups for SSO authentication. You can read the provider’s incident report [here](https://blog.cloudflare.com/cloudflare-1-1-1-1-incident-on-july-14-2025/), which outlines in detail what occurred and how they remediated the issue.  For the duration of the incident 1Password customers would have experienced failed or slow SSO login attempts. We apologize for any inconvenience this issue may have caused our users.  ‌ ## **Impact on customers** Customers accessing 1Password cloud services experienced delayed responses and timeout error messages. * **SSO Login:** Users logging in via SSO experienced failures, timeout errors or slow responses ## **Scope** * **Number of affected Customers \(approximate\):** Most users attempting to

1. Postmortem · Aug 7, 15:04 UTC
   # **Incident Postmortem - Intermittent SSO Availability** **Date of Incident:** 2025-07-14 **Time of Incident \(UTC\):** 22:00UTC - 11:23UTC **Service\(s\) Affected:** SSO **Impact Duration:** 1 hour and 23 minutes ## **Summary** On July 14, 2025 1Password’s SSO services were intermittently slow or unavailable for approximately 1 hour and 23 minutes. This was due to an outage with an upstream provider which 1Password backend services rely on to verify DNS lookups for SSO authentication. You can read the provider’s incident report [here](https://blog.cloudflare.com/cloudflare-1-1-1-1-incident-on-july-14-2025/), which outlines in detail what occurred and how they remediated the issue.  For the duration of the incident 1Password customers would have experienced failed or slow SSO login attempts. We apologize for any inconvenience this issue may have caused our users.  ‌ ## **Impact on customers** Customers accessing 1Password cloud services experienced delayed responses and timeout error messages. * **SSO Login:** Users logging in via SSO experienced failures, timeout errors or slow responses ## **Scope** * **Number of affected Customers \(approximate\):** Most users attempting to authenticate using SSO * **Geographic Regions Affected:** All ## **What Happened?** At 22:00UTC on July 14, 2025 1Password engineers were alerted to customer timeouts and failures when trying to use SSO as an authentication method. After diagnosing the issue, engineers discovered the source of the i
2. Resolved · Jul 14, 23:30 UTC
   This incident has been resolved.
3. Monitoring · Jul 14, 23:05 UTC
   The downstream provider has deployed a fix. We are seeing reduced failure rates and will continue to monitor the results.
4. Investigating · Jul 14, 22:56 UTC
   SSO logins are impacted due to a downstream provider experiencing a major outage that is impacting our authentication services. Our internal systems are operational, but are intermittently failing due to this downstream dependency. We are monitoring the provider's status and will post updates as they become available.