- Level
- confirmed
- Worst impact
- Degraded
- Regions
- us
- Down Index
- 25of 100
What to do
Check whether you use Duo Security in us. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 4h 10m it lasted.
Anything that failed between 2026-03-22 22:13 UTC and 2026-03-23 02:23 UTC may need a replay.Subscribe to Duo Security's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=duo works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Duo Security 3
- 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
provider
- 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.
provider
- resolved
VoIP authentication has returned to normal operation with sustained success rates observed.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-8ec300a3d2
Is Duo Security still down?
No, this incident was resolved 2026-03-23 02:23 UTC. For Duo Security's live state, see https://down.guide/duo.
How long did it last?
4h 10m, from 2026-03-22 22:13 UTC to 2026-03-23 02:23 UTC, by the times Duo Security posted.
What was affected?
Duo Security named in us.
What caused it?
Duo Security hasn't published a root cause. If it does, it shows here.
Where does this come from?
Duo Security's official status page, https://status.duo.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.