- Level
- confirmed
- Worst impact
- Degraded
- Down Index
- 23of 100
What to do
Check whether your product depends on Duo Security. 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 10h 41m it lasted.
Anything that failed between 2026-01-14 19:35 UTC and 2026-01-15 06:16 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 4
- investigating
There has been an uptick in authentication failures using SMS, Phone Call, and Push as there are ongoing phone carrier outages. Please attempt to leverage our other approved MFA methods, such as Duo Mobile Passcodes, Hardware Tokens, and Security Keys, or move your mobile device to a WiFi connection so that Pushes can be properly received. Please check back here or subscribe to updates for any changes.
provider
- identified
We have confirmed that the authentication failures using SMS, Phone Call, and Push are due to ongoing cellular carrier outages. Please attempt to leverage our other approved MFA methods, such as Duo Mobile Passcodes, Hardware Tokens, and Security Keys, or move your mobile device to a WiFi connection so that Pushes can be properly received.
provider
- monitoring
We are starting to see recovery post the fix implemented by our service provider for the issue affecting SMS, Phone Call, and Push delivery. Please feel free to check back here or subscribe to updates for the latest information regarding any changes or resolutions.
provider
- resolved
According to our telephony service provider, the issue affecting SMS, Phone Call, and Push delivery has been resolved. Currently our services are now back to normal.
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-47142686cb
Is Duo Security still down?
No, this incident was resolved 2026-01-15 06:16 UTC. For Duo Security's live state, see https://down.guide/duo.
How long did it last?
10h 41m, from 2026-01-14 19:35 UTC to 2026-01-15 06:16 UTC, by the times Duo Security posted.
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.