Duo Security
Operational
All Systems Operational
Official status API · last read just now
Components
Duo Security reports all 13 components operational. As listed on its status page, read just now.
- Core Authentication Service · DUO1Operational
- Admin Panel · DUO6Operational
- Phone Support · Duo SupportOperational
- Push Delivery · DUO1Operational
- Email Support · Duo SupportOperational
- Phone Call Delivery · DUO1Operational
- Support Portal · Duo SupportOperational
- SMS Message Delivery · DUO1Operational
- Cloud PKI · DUO1Operational
- SSO · DUO1Operational
- Cisco Identity Intelligence · DUO5Operational
- Logs · DUO26Operational
- AI Assistant · DUO24Operational
- Reported uptime
- 100%
- From published incidents, 89 of 90 days covered
- Published incidents
- 1
- Active in the last 90 days
- Days affected
- 1
- Out of the last 90, any severity
- Last incident
- 68 d ago
- Started Sep 3, 22:04 UTC
Last 90 days
- Operational
- Maintenance
- Degraded
- Partial outage
- Major outage
- No data
CVEs, last two years
1
0 high or critical. In this company's software.
Disclosed security incidents
0
None on record since January 2024.
Published root-cause analyses
6
Linked to the official write-ups.
Incident timeline
September 2026
Duo - Partial Hardware Token Authentication Issues - United States
Degraded · Sep 3, 22:04 UTC · Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service +19
August 2026
Notice · Aug 10, 20:34 UTC
Duo Phone Call Authentication Failures - United States
Degraded · Aug 8, 21:13 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +44
July 2026
VoIP and SMS Delivery Issues in Israel
Degraded · Jul 23, 18:02 UTC
Duo - Phone call and SMS authentication issues - Australia
Degraded · Jul 7, 23:15 UTC · Phone Call Delivery, SMS Message Delivery
June 2026
Degraded · Jun 23, 03:58 UTC · SMS Message Delivery
AI Assistant Service Disruption in US-W1
Degraded · Jun 10, 14:17 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +22
May 2026
All US Deployments: AI Assistant failures
Degraded · May 18, 18:37 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +44
Degraded · May 13, 13:22 UTC · Core Authentication Service
AI Assistant First-Time Access Failures for EU Administrators
Degraded · May 7, 14:17 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +2
April 2026
Desktop Authenticator Enrollment Degradation
Degraded · Apr 30, 17:54 UTC · Admin Panel, Admin Panel, Admin Panel, Admin Panel +18
Elevated Authentication Latency in DUO6
Partial outage · Apr 28, 14:22 UTC · Core Authentication Service
Partial outage · Apr 18, 04:30 UTC · SMS Message Delivery, SMS Message Delivery, SMS Message Delivery, SMS Message Delivery +44
March 2026
Duo Phone Call Authentication Failure for US Based Carriers
Notice · Mar 22, 22:13 UTC
Duo Phone Call Authentication Failure for US Based Carriers
Notice · Mar 22, 17:18 UTC
Major outage · Mar 2, 08:30 UTC · Core Authentication Service, Admin Panel, Push Delivery, Phone Call Delivery +3
Degraded · Mar 1, 13:29 UTC · Core Authentication Service, Admin Panel, Push Delivery, Phone Call Delivery +3
February 2026
All Deployments - Entra 504 Gateway Timeouts
Degraded · Feb 23, 15:04 UTC · Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service +46
[US Deployments]: Duo Phone Call Authentication Failures for US Region
Degraded · Feb 23, 14:02 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +45
[Multiple Deployments] AI Assistant not available in India
Degraded · Feb 19, 14:46 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +45
[All Deployments] AI Assistant Outage for new users
Degraded · Feb 19, 14:35 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +44
[All Deployments] AI Assistant Outage for new users
Degraded · Feb 18, 18:28 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +44
All Deployments: Duo Enrollment URL Session Expired Errors
Notice · Feb 4, 18:55 UTC · Admin Panel, Admin Panel, Admin Panel, Admin Panel +46
January 2026
[DUO4] Authentication Failures
Partial outage · Jan 22, 18:36 UTC · Core Authentication Service
All Deployments: Authentication Failures for Newly Created MSP Sub-Accounts
Degraded · Jan 21, 21:38 UTC · Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service +46
SMS, Phone Call, Push delivery failures due to ongoing carrier outages
Degraded · Jan 14, 19:35 UTC
December 2025
Duo Support Phone System Issue
Partial outage · Dec 23, 07:35 UTC · Phone Support
Notice · Dec 19, 17:59 UTC
October 2025
All Deployments: Duo Phone Call and SMS Delivery Failure
Partial outage · Oct 20, 08:28 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +46
All Deployments: Email delivery issues
Degraded · Oct 20, 07:54 UTC · Admin Panel, Admin Panel, Admin Panel, Admin Panel +46
[All Deployments] Duo Desktop not being recognized on Windows 11 24H2/25H2
Degraded · Oct 15, 12:19 UTC · Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service +46
[DUO34] Full Deployment Outage
Major outage · Oct 7, 19:13 UTC · Core Authentication Service, Admin Panel, Push Delivery, Phone Call Delivery +1
September 2025
[All Deployments] Entra ID Failing to Sync Custom Attributes
Degraded · Sep 29, 09:46 UTC
[Multiple Deployments] Administrators unable to access the Duo AI Assistant for the first time
Degraded · Sep 26, 14:54 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +44
[Multiple Deployments] Admin Panel Login Failures
Partial outage · Sep 9, 16:43 UTC · Admin Panel, Admin Panel, Admin Panel, Admin Panel +46
August 2025
Notice · Aug 29, 17:30 UTC · Core Authentication Service, Core Authentication Service, Core Authentication Service, Core Authentication Service +46
[Multiple Deployments] - Issues with User Management in Admin Panel
Degraded · Aug 26, 14:43 UTC · Admin Panel, Admin Panel, Admin Panel, Admin Panel +8
Admin functions impacted when accessing Users and AD Sync on certain deployments
Major outage · Aug 26, 08:08 UTC · Admin Panel, Admin Panel, Admin Panel, SSO +2
T-Mobile Services SMS Delivery Issue
Degraded · Aug 26, 06:29 UTC · SMS Message Delivery, SMS Message Delivery, SMS Message Delivery, SMS Message Delivery +46
Degraded · Aug 18, 11:25 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +46
US SMS delivery delays and failures
Partial outage · Aug 6, 04:40 UTC · SMS Message Delivery, SMS Message Delivery, SMS Message Delivery, SMS Message Delivery +46
[DUO41] Admin Panel Login Failures
Partial outage · Aug 6, 00:03 UTC · Admin Panel
All US Deployments: AI Assistant failures
Major outage · Aug 1, 00:16 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +44
July 2025
Degraded · Jul 31, 12:04 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +46
Degraded · Jul 30, 09:30 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +46
Degraded · Jul 28, 12:00 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +46
Partial outage · Jul 24, 13:55 UTC · Phone Call Delivery, Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +46
Duo AI Assistant Intermittent failures
Degraded · Jul 23, 22:33 UTC · AI Assistant, AI Assistant, AI Assistant, AI Assistant +44
Issues Loading Admin Panel SSO Pages
Degraded · Jul 17, 20:42 UTC · Admin Panel, Admin Panel, Admin Panel, Admin Panel +6
Duo Support: Phone Routing Issues
Degraded · Jul 17, 15:44 UTC · Phone Support