Duo Security Outage History
Uptime record, past incidents, and downtime history for Duo Security.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| April 2026 | 100% | 5 | 0 |
| March 2026 | 90.3% | 31 | 3 |
| February 2026 | 28.6% | 28 | 20 |
| January 2026 | 100% | 1 | 0 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 65 Days)
Jan 31
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
March 2026
Duo Phone Call Authentication Failure for US Based Carriers
Started: Mar 22, 10:13 PM
monitoring
We are now observing high rates of success of VoIP authentication. The issue appears to be resolved but we will continue to monitor the situation.
Mar 23, 12:01 AM
investigating
We are currently observing a recurrence of the issue causing VOIP authentication failures in all deployments in the US region. We are working to correct the issue as soon as possible. While we work to resolve this, please use alternative authentication methods such as Duo Mobile Push, SMS passcodes etc.
A full list of available authentication methods can be found here:
https://duo.com/docs/policy#authentication-methods
Mar 22, 10:13 PM
Duo Phone Call Authentication Failure for US Based Carriers
Started: Mar 22, 5:18 PM
monitoring
We are now observing high rates of success of VoIP authentication. We will continue to monitor the situation.
Mar 22, 8:00 PM
investigating
We are observing a recovery in voice call processing across the U.S. and are continuing to investigate the root cause of this impact.
Mar 22, 7:13 PM
investigating
We are currently investigating an issue causing VOIP authentication failures in all the deployments in the US region and are working to correct the issue as soon as possible. At this time please use alternative authentication methods such as Duo Mobile Push, or SMS passcodes.
A list of all other alternative authentication methods can be found here:
https://duo.com/docs/policy#authentication-methods
Please check back here or subscribe to updates for any changes.
Mar 22, 5:18 PM