Duo Security

Cyber and operational findings

Analyst-reviewed records. The grade states how well the cause is established; event, first public observation and acknowledgement are separate dates.

No public findings for this organisation.

Provider status posts

Collected from the organisation's own public status page. These are its words; DFX adds only the wording classification.

• Duo - Partial Hardware Token Authentication Issues - United StatesSep 3 22:04 UTC · resolved · minor impact
  Service restricted or degradedSign-in disruptionInvestigation mentionedRestoration reported
  1. Sep 3 22:04 UTC 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...
  2. Sep 3 22:30 UTC monitoring: 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...
  3. Sep 3 23:24 UTC resolved: This issue has been resolved. Duo hardware token authentication is now functioning normally on affected US deployments. Other Duo authentication methods were not expected to be impacted. Thank you for your patience. If you continue to experience issues, please contact Duo...
  View on the provider's status page
• New Signups UnavailableAug 10 20:34 UTC · resolved
  Service restricted or degradedInvestigation mentionedRestoration reported
  1. Aug 10 20:34 UTC 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.
  2. Aug 10 21:04 UTC 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.
  3. Aug 10 22:46 UTC resolved: This incident has been resolved. New Duo account registrations are now functioning normally. Thank you for your patience. If you continue to experience issues, please contact Duo Support.
  View on the provider's status page
• Duo Phone Call Authentication Failures - United StatesAug 8 21:13 UTC · resolved · minor impact
  Service restricted or degradedSign-in disruptionRestoration reported
  1. Aug 8 21:13 UTC 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...
  2. Aug 8 23:04 UTC 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...
  3. Aug 9 00:07 UTC resolved: Phone call authentication delivery for customers in the United States has returned to normal operation. If customers continue to experience issues, please contact Duo Support.
  View on the provider's status page
• VoIP and SMS Delivery Issues in IsraelJul 23 18:02 UTC · resolved · minor impact
  Sign-in disruptionInvestigation mentionedRestoration reported
  1. Jul 23 18:02 UTC 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...
  2. Jul 23 18:39 UTC 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.
  3. Jul 24 15:53 UTC 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...
  4. Jul 27 20:41 UTC resolved: The SMS and VoIP delivery issue affecting users in Israel has been resolved. If customers continue to experience issues, please contact Duo Support.
  View on the provider's status page
• Duo - Phone call and SMS authentication issues - AustraliaJul 7 23:15 UTC · resolved · minor impact
  Service restricted or degradedSign-in disruptionInvestigation mentionedRestoration reported
  1. Jul 7 23:15 UTC 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...
  2. Jul 8 01:22 UTC 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,...
  3. Jul 8 15:01 UTC resolved: The third-party carrier issue affecting VoIP and SMS services in the Australia region has been resolved. Phone call and SMS authentication services are operating normally. We appreciate your patience and understanding while we addressed this issue.
  View on the provider's status page
• UAE Telephony SMS issueJun 23 03:58 UTC · resolved · minor impact
  Restoration reported
  1. Jun 23 03:58 UTC 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.
  2. Jun 23 08:29 UTC 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.
  3. Jun 23 14:21 UTC resolved: The SMS delivery issue affecting the UAE region has been resolved.   Our team has verified that SMS services are operating normally and full functionality has been restored. Thank you for your patience while we resolved this issue
  View on the provider's status page
• AI Assistant Service Disruption in US-W1Jun 10 14:17 UTC · resolved · minor impact
  Service restricted or degradedInvestigation mentionedRestoration reported
  1. Jun 10 14:17 UTC 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...
  2. Jun 10 15:35 UTC resolved: The issue affecting AI Assistant functionality in the US-W1 region has been resolved. Our team has verified that services are operating normally, and monitoring has confirmed system stability. Thank you for your patience while we resolved this issue.
  View on the provider's status page
• All US Deployments: AI Assistant failuresMay 18 18:37 UTC · resolved · minor impact
  Investigation mentionedRestoration reported
  1. May 18 18:37 UTC 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.
  2. May 18 19:27 UTC monitoring: We have implemented mitigation measures and are observing improved AI Assistant performance. We are continuing to monitor success rates and overall service stability.
  3. May 18 20:30 UTC resolved: The issue affecting AI Assistant functionality across all US deployments has been resolved, and full functionality has been restored. We will continue to monitor service performance to ensure stability.
  View on the provider's status page
• Authentication failuresMay 13 13:22 UTC · resolved · minor impact
  Sign-in disruptionInvestigation mentionedRestoration reported
  1. May 13 13:22 UTC investigating: We are currently investigating an issue causing limited authentication failures on DUO57 and are working to correct the issue as soon as possible.
  2. May 13 14:52 UTC 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.
  3. May 13 15:37 UTC 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.
  4. May 13 16:03 UTC resolved: The issue causing authentication failures on DUO57 with the Duo Core Authentication Service is now resolved and full functionality has been restored.
  View on the provider's status page
• AI Assistant First-Time Access Failures for EU AdministratorsMay 7 14:17 UTC · resolved · minor impact
  Investigation mentionedRestoration reported
  1. May 7 14:17 UTC 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
  2. May 7 16:30 UTC 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.
  3. May 7 22:40 UTC resolved: The issue affecting first-time access to the AI Assistant for administrators in the EU has been fully resolved, and normal functionality has been restored.
  View on the provider's status page
• Desktop Authenticator Enrollment DegradationApr 30 17:54 UTC · resolved · minor impact
  Service restricted or degradedSign-in disruptionRestoration reported
  View on the provider's status page
• Elevated Authentication Latency in DUO6Apr 28 14:22 UTC · resolved · major impact
  Service restricted or degradedSign-in disruptionInvestigation mentionedRestoration reported
  View on the provider's status page
• SMS Delivery FailuresApr 18 04:30 UTC · resolved · major impact
  Sign-in disruptionInvestigation mentionedRestoration reported
  View on the provider's status page
• Duo Phone Call Authentication Failure for US Based CarriersMar 22 22:13 UTC · resolved
  Sign-in disruptionRestoration reported
  View on the provider's status page
• Duo Phone Call Authentication Failure for US Based CarriersMar 22 17:18 UTC · resolved
  Sign-in disruptionInvestigation mentionedRestoration reported
  View on the provider's status page
• Service Outage on DUO81Mar 2 08:30 UTC · resolved · critical impact
  Service restricted or degradedInvestigation mentionedRestoration reported
  View on the provider's status page
• Service degradation on DUO81Mar 1 13:29 UTC · resolved · minor impact
  Service restricted or degradedInvestigation mentionedRestoration reported
  View on the provider's status page
• All Deployments - Entra 504 Gateway TimeoutsFeb 23 15:04 UTC · postmortem · minor impact
  Service restricted or degradedSign-in disruptionInvestigation mentionedRestoration reported
  View on the provider's status page
• [US Deployments]: Duo Phone Call Authentication Failures for US RegionFeb 23 14:02 UTC · resolved · minor impact
  Sign-in disruptionInvestigation mentionedRestoration reported
  View on the provider's status page
• [Multiple Deployments] AI Assistant not available in IndiaFeb 19 14:46 UTC · resolved · minor impact
  Service restricted or degradedInvestigation mentionedRestoration reported
  View on the provider's status page
• [All Deployments] AI Assistant Outage for new usersFeb 19 14:35 UTC · resolved · minor impact
  Service restricted or degradedInvestigation mentionedRestoration reported
  View on the provider's status page
• [All Deployments] AI Assistant Outage for new usersFeb 18 18:28 UTC · resolved · minor impact
  Service restricted or degradedInvestigation mentionedRestoration reported
  View on the provider's status page
• All Deployments: Duo Enrollment URL Session Expired ErrorsFeb 4 18:55 UTC · postmortem
  Service restricted or degradedSign-in disruptionInvestigation mentionedRestoration reported
  View on the provider's status page
• [DUO4] Authentication FailuresJan 22 18:36 UTC · resolved · major impact
  Sign-in disruptionInvestigation mentionedRestoration reported
  View on the provider's status page
• All Deployments: Authentication Failures for Newly Created MSP Sub-AccountsJan 21 21:38 UTC · resolved · minor impact
  Sign-in disruptionInvestigation mentioned
  View on the provider's status page