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98.2%of 57 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
96.7%
30
1
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 22Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
September 2026
Duo - Partial Hardware Token Authentication Issues - United States
We have seen the failure rate for Duo hardware token authentication subside on affected US deployments.
Customers using hardware tokens may still experience intermittent authentication failures while we continue to monitor. Retrying the authentication attempt is expected to succeed. Other Duo authentication methods are not expected to be impacted and can be used as alternate methods if configured and available.
We will continue to monitor service stability and provide additional updates as ...
investigating
We are investigating a partial outage affecting Duo hardware token authentication for customers on affected US deployments.
Customers using hardware tokens may experience intermittent authentication failures. Based on current information, retrying the authentication attempt is expected to succeed. Other Duo authentication methods are not expected to be impacted and can be used as alternate methods if configured and available.
Our engineering team is actively investigating and has started mi...
Legacy Incident Archive
15 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
August 2026
New Signups Unavailable
Source not attested
Last archived state: resolved
View archived record details
identified
We have identified the issue affecting new account registrations. Our team is working on a fix and expects to release it soon.
We apologize for any inconvenience and appreciate your continued patience.
investigating
We are investigating an issue affecting the signup service. New account registrations are temporarily unavailable.
Our team is actively investigating and working to restore normal service. We apologize for any inconvenience and appreciate your patience.
Duo Phone Call Authentication Failures - United States
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
We are seeing recovery for the issue related to a third-party carrier disruption that caused phone call authentication failures for customers in the United States.
We are actively monitoring phone call authentication delivery and will provide another update once the issue is fully resolved.
identified
We have identified an issue causing phone call authentication failures for customers in the United States. This is related to a third-party carrier disruption. We are actively monitoring the carrier issue and working with our provider as needed.
Please check back here or subscribe to updates for any changes.
July 2026
VoIP and SMS Delivery Issues in Israel
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
Error rates for SMS and VoIP delivery in Israel have reduced following the implemented change. We are continuing to monitor service behavior and investigate reports of intermittent failures affecting some customers.
We will provide another update as more information becomes available.
monitoring
We have implemented a change to address the SMS and VoIP delivery issue affecting users in Israel. SMS and VoIP delivery have recovered, and we are monitoring to confirm continued stability.
investigating
We are investigating an issue affecting VoIP and SMS message delivery for users in Israel. The issue is related to an upstream carrier.
Our team is working with our providers to investigate and restore normal service. Where available, users can use alternative authentication methods such as Duo Push.
We will provide updates as more information becomes available.
Duo - Phone call and SMS authentication issues - Australia
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
The third-party carrier has indicated that the issue affecting VoIP and SMS services in the Australia region has been resolved.
Customers in Australia should see improved delivery for phone call and SMS authentication. Other Duo authentication methods, such as Push Delivery, remain available as alternate authentication methods if configured.
We are continuing to monitor service stability and will provide additional updates when the incident is fully resolved.
investigating
We are investigating a third-party carrier issue affecting VoIP and SMS services in the Australia region.
Customers in Australia may experience delays or failures when using phone call or SMS authentication.
Other Duo authentication methods, such as Push Delivery, are not expected to be impacted and can be used as an alternate method of authentication if available.
Our team is monitoring the carrier issue and working with the provider as needed. Updates and additional details will be provi...
June 2026
UAE Telephony SMS issue
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
We have mitigated the SMS delivery issue affecting the UAE region. We are actively monitoring the situation and will provide a final update once the issue is fully resolved.
identified
We have identified the issue related to SMS for UAE region and are working to resolve it.
Users have the option to use alternative auth methods, like Duo Push or VoIP.
Please check back here or subscribe to updates for any changes.
AI Assistant Service Disruption in US-W1
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating an issue affecting AI Assistant functionality in the US-W1 (US West-1) region. Users may experience errors or be unable to access AI Assistant features.
Our engineering teams are actively investigating the issue and working to restore normal service as quickly as possible.
Please check back here or subscribe to updates for the latest information.
May 2026
All US Deployments: AI Assistant failures
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
We have implemented mitigation measures and are observing improved AI Assistant performance. We are continuing to monitor success rates and overall service stability.
investigating
We are currently investigating an issue with AI Assistant not functioning on all US deployments and are working to correct the issue as soon as possible.
Please check back here or subscribe to updates for any changes.
Authentication failures
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
We have implemented a fix for the issue causing authentication failures on DUO57 with the Duo Core Authentication Service.
We will continue to monitor system performance and authentication success rates and will provide further updates once the incident is fully resolved.
identified
We have identified the cause of the issue causing authentication failures on DUO57 with the Duo Core Authentication Service and are actively working to restore service.
investigating
We are currently investigating an issue causing limited authentication failures on DUO57 and are working to correct the issue as soon as possible.
AI Assistant First-Time Access Failures for EU Administrators
minorSource not attested
Last archived state: resolved
View archived record details
identified
We’ve identified a problem impacting first-time access to the AI Assistant for administrators in the EU and are actively working to restore normal access. We’ll continue to share updates as progress is made.
investigating
We are investigating an issue causing failures when administrators located in the EU attempt to access the AI Assistant for the first time. Any administrators who have used the Assistant before should still be able to at this time
AI Assistant First-Time Access Failures for EU Administrators
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
We are investigating an issue causing failures when administrators located in the EU attempt to access the AI Assistant for the first time. Any administrators who have used the Assistant before should still be able to at this time
Components Impacted: DUO3, DUO38, DUO47, DUO48, DUO 57, DUO70 : AI assistance
