What is Duo Security Core Authentication Service current status?

Duo Security Core Authentication Service is currently operational. You can check Duo Security Core Authentication Service status and current incidents and outages on the top of the page. The status is updated in almost real-time, and you can see the issues affecting customers.

How to monitor or check Duo Security Core Authentication Service status?

You can use IsDown service or go to Duo Security official status page. Some accounts also use Twitter to communicate the status.

How can I be notified when Duo Security Core Authentication Service is having issues or undergoing maintenance?

You can create an account in IsDown and monitor multiple services or subscribe for updates on the official status page. IsDown will send you a notification in real-time when Duo Security Core Authentication Service has issues. Duo Security official status page might also offer notification options such as email, SMS, or Slack.

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Is Duo Security Core Authentication Service Down? Check current status

Q: Is Duo Security Core Authentication Service down today?

Duo Security Core Authentication Service was not down today according to the official status page. In the last 24 hours, there were 0 outages reported. IsDown continuously monitors the Duo Security status page, looking for the latest outages and issues affecting customers. Check all recent outages in the section 'Latest Duo Security Core Authentication Service outages, issues and problems' at the top of the page.

Check if Duo Security Core Authentication Service is down, official outages, user-reported issues, and outages map.

Current Duo Security Core Authentication Service status

Duo Security Core Authentication Service is working normally

Updated from Duo Security official status page 1 minute 6 seconds ago

Core Authentication Service is a component of Duo Security ›

Duo Security Core Authentication Service service health. Issues reported in the last 24 hours

Working Normally

Possible Incident

Confirmed Outage

This chart displays the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe. Sign up for free to see more Duo Security status data.

View Duo Security Outage Reports Map

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Duo Security Core Authentication Service recent outages and downtime history

IsDown has tracked 15 incidents for Duo Security Core Authentication Service since started monitoring Duo Security status in April 2020. We collect data from 4522+ services, and normalize the data to give you a clear picture of the impact of the outage.

Date	Incident	Duration
Oct 15, 2025 02:19 PM CEST	Minor [All Deployments] Duo Desktop not being recognized on Windows 11 24H2/25H2 We are currently investigating an issue causing Duo Desktop to not be recognized during authentic...	about 8 hours
Aug 29, 2025 07:30 PM CEST	Minor Blank Duo Prompt issue impacting users authenticating from both Chrome and Edge version 136 brows... We are currently aware of an issue that is impacting users logging into web-based applications fr...	about 12 hours
Feb 13, 2025 07:45 PM CET	Major All Deployments: Core Authentication Service, Admin Panel logins, Device Management Portal, Risk-... We are currently investigating an issue causing Admin Panel login and SMS/Phone Call delivery fai...	about 7 hours
Nov 05, 2024 01:24 AM CET	Major [Federal Deployments] Authentication issues using Yubikey tokens We are currently investigating an issue that is affecting authentication using Yubikey tokens on ...	42 minutes
Aug 14, 2024 03:17 PM CEST	Minor [Multiple Deployments] Core Authentication Service Degraded Performance We are currently investigating an issue causing degraded performance with the Duo Core Authentica...	30 minutes
Jun 14, 2024 07:10 PM CEST	Minor All Deployments: Endpoints showing untrusted with Microsoft Intune Duo is investigating an issue with our integration with Microsoft Intune. Customers utilizing Tru...	about 4 hours
Mar 28, 2024 02:14 PM CET	Major Blocked authentications with certificate-based Trusted Endpoints We are investigating an issue causing blocked authentications in certificate-based Trusted Endpoi...	about 8 hours
Mar 14, 2024 06:35 PM CET	Minor Trial Account Sign Up Issues We are currently investigating an issue preventing customers from signing up for Duo trial accoun...	about 1 hour
Sep 04, 2023 02:58 PM CEST	Minor SMS and Call delivery issue in the Great Britain region We are currently investigating an issue with SMS and Call delivery issue in the GB region.	about 18 hours
Aug 23, 2023 08:08 PM CEST	Major All Deployments: Some Android Devices Erroneously being flagged as Tampered during Auth We have identified an issue that is causing some users on Android devices to be incorrectly flagg...	about 1 hour

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Duo Security Core Authentication Service reported issues and comments

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Monitoring Duo Security since April 2020

Core Authentication Service is part of Duo Security. Check the Duo Security's status.

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3 incidents in 2025

Frequently Asked Questions

Is Duo Security Core Authentication Service down today?

Duo Security Core Authentication Service isn't down. You can check Duo Security Core Authentication Service status and incident details on the top of the page. IsDown continuously monitors Duo Security Core Authentication Service official status page every few minutes. In the last 24 hours, there were 0 outages reported.

What is the current Duo Security Core Authentication Service status?

Duo Security Core Authentication Service is currently operational. You can check Duo Security Core Authentication Service status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.

Is there a Duo Security Core Authentication Service outage now?

No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.

Is Duo Security Core Authentication Service down today or just slow?

Currently there's no report of Duo Security Core Authentication Service being slow. Check on the top of the page if there are any reported problems by other users.

How are Duo Security Core Authentication Service outages detected?

IsDown monitors the Duo Security Core Authentication Service official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.

Is Duo Security Core Authentication Service having an outage right now?

Duo Security Core Authentication Service last outage was on October 15, 2025 with the title "[All Deployments] Duo Desktop not being recognized on Windows 11 24H2/25H2"

How IsDown compares to DownDetector when monitoring Duo Security?

IsDown and DownDetector help users determine if Duo Security is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information instead of just relying on reports from users. The integration allows us to provide more details about Duo Security's Outages, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.