Outage in Duo Security

SMS and MMS Delivery Delays to and from US AT&T

Resolved Minor
August 24, 2022 - Started about 3 years ago - Lasted about 1 hour
Official incident page

Incident Report

We have detected an issue with SMS delivery for the US region with AT&T, and we are currently investigating the issue.
Components affected
Duo Security Cloud PKI Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security SSO Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Push Delivery Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security SSO Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Push Delivery Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security Push Delivery Duo Security Admin Panel Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security Push Delivery Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security Push Delivery Duo Security SSO Duo Security Phone Call Delivery Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Cloud PKI Duo Security SSO Duo Security Admin Panel Duo Security Admin Panel Duo Security SSO Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security SSO Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SSO Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security SSO Duo Security Push Delivery Duo Security SSO Duo Security Admin Panel Duo Security SSO Duo Security Push Delivery Duo Security Cloud PKI Duo Security Admin Panel Duo Security Push Delivery Duo Security SSO Duo Security Push Delivery Duo Security Admin Panel Duo Security Admin Panel Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security SSO Duo Security Cloud PKI Duo Security SSO Duo Security Admin Panel Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security SSO Duo Security SMS Message Delivery Duo Security Push Delivery Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security SSO Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security SSO Duo Security Admin Panel Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security SSO Duo Security Core Authentication Service Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Push Delivery Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security SSO Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security SSO Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Admin Panel Duo Security SSO Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security Push Delivery Duo Security SSO Duo Security Push Delivery Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security SSO Duo Security Push Delivery Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security SSO Duo Security Cloud PKI Duo Security Admin Panel Duo Security Push Delivery Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security SSO Duo Security SSO Duo Security Cloud PKI Duo Security SSO Duo Security Cloud PKI Duo Security Admin Panel Duo Security Admin Panel Duo Security SSO Duo Security Admin Panel Duo Security SSO Duo Security Admin Panel Duo Security Admin Panel Duo Security SSO Duo Security SSO Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security SSO Duo Security SSO Duo Security Push Delivery Duo Security Admin Panel Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security SSO Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security SSO Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Admin Panel Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security SSO Duo Security Push Delivery Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Push Delivery Duo Security Admin Panel Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security SSO Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Push Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security SSO Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Push Delivery Duo Security Push Delivery Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Push Delivery Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security Core Authentication Service Duo Security Push Delivery Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security Push Delivery Duo Security SSO Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SSO Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Cloud PKI Duo Security Push Delivery Duo Security Cloud PKI Duo Security Admin Panel Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Admin Panel Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security Admin Panel Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Push Delivery Duo Security SSO Duo Security Push Delivery Duo Security Admin Panel Duo Security SSO Duo Security SSO Duo Security Admin Panel Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Cloud PKI Duo Security SSO Duo Security Cloud PKI Duo Security Push Delivery Duo Security Cloud PKI Duo Security Cloud PKI Duo Security Admin Panel Duo Security SSO Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Admin Panel Duo Security Push Delivery Duo Security Cloud PKI Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Admin Panel Duo Security Admin Panel Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security SMS Message Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security SSO Duo Security SSO Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security Cloud PKI Duo Security Core Authentication Service Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security SSO Duo Security SSO Duo Security SSO Duo Security Phone Call Delivery Duo Security SMS Message Delivery Duo Security Cloud PKI Duo Security Admin Panel Duo Security Push Delivery Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Push Delivery Duo Security Core Authentication Service Duo Security Core Authentication Service Duo Security SSO Duo Security Cloud PKI Duo Security Phone Call Delivery Duo Security Phone Call Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Push Delivery Duo Security Admin Panel Duo Security SMS Message Delivery Duo Security Core Authentication Service Duo Security Admin Panel Duo Security Admin Panel Duo Security Phone Call Delivery Duo Security Admin Panel Duo Security Core Authentication Service Duo Security Phone Call Delivery Duo Security SSO Duo Security Phone Call Delivery Duo Security Cloud PKI Duo Security SSO Duo Security SMS Message Delivery Duo Security SSO Duo Security SSO Duo Security SSO Duo Security Cloud PKI Duo Security Push Delivery Duo Security SSO Duo Security Core Authentication Service Duo Security Push Delivery Duo Security Admin Panel Duo Security SSO Duo Security Admin Panel Duo Security Cloud PKI

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Latest Updates ( sorted recent to last )
MONITORING about 3 years ago - at 08/24/2022 02:25PM

We are continuing to monitor the issue and will post any updates when the incident is considered fully resolved.
Please check back here or subscribe here for further updates.

MONITORING about 3 years ago - at 08/24/2022 01:52PM

We have implemented a fix that has resulted in stable success rates.
We will continue to monitor the issue and will post any updates when the incident is considered fully resolved.
Please check back here or subscribe here for further updates.

INVESTIGATING about 3 years ago - at 08/24/2022 01:20PM

We have detected an issue with SMS delivery for the US region with AT&T, and we are currently investigating the issue.

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