Is Cisco Duo Core Authentication Service Down? Current Status & Real-time Updates

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

Cisco Duo Core Authentication Service status - Is it down right now?

Cisco Duo Core Authentication Service is working normally

Blank Duo Prompt issue impacting users authenticating from both Chrome and Edge version 136 browsers and Epic Hyperdrive

started about 7 hours ago

We are currently aware of an issue that is impacting users logging into web-based applications from both Chrome and Edge version 136 that causes a blank Duo Prompt to appear. We are working on a ...

Cisco Duo Core Authentication Service not working today?

Cisco Duo Core Authentication Service outages and problems reported today

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.

Cisco Duo Outage Map

View Cisco Duo Outage Reports Map

Recent Cisco Duo Core Authentication Service Outages and Downtime History

IsDown has tracked 13 incidents for Cisco Duo Core Authentication Service since started monitoring Cisco Duo status in February 2021. We collect data from 4400+ services, and normalize the data to give you a clear picture of the impact of the outage.

  • Feb 13 2025

    We are currently investigating an issue causing Admin Panel login and SMS/Phone Call delivery failures across all deployments. If you can access your Admin Panel, please utilize our other MFA methods such as Push, Passcodes, Hardware Tokens, and ...

  • Nov 05 2024

    We are currently investigating an issue that is affecting authentication using Yubikey tokens on Federal Deployments. We are working on remediation and will provide more updates as soon as we have more information.

  • Feb 2021 ...
    IsDown started monitoring Cisco Duo status

    We've tracked and collected 13 incidents for Cisco Duo Core Authentication Service since started monitoring Cisco Duo status

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Cisco Duo Core Authentication Service problems reported by users

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Frequently Asked Questions

Is Cisco Duo Core Authentication Service down today?

Cisco Duo Core Authentication Service isn't down. You can check Cisco Duo Core Authentication Service status and incident details on the top of the page. IsDown continuously monitors Cisco Duo Core Authentication Service official status page every few minutes. In the last 24 hours, there were 1 outages reported.

What is the current Cisco Duo Core Authentication Service status?

Cisco Duo Core Authentication Service is currently operational. You can check Cisco Duo 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 Cisco Duo Core Authentication Service outage now?

Yes, there is an ongoing outage. You can check the details on the top of the page.

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

Yes, Cisco Duo Core Authentication Service might be slow has there's an ongoing outage. You can check the details on the top of the page.

How are Cisco Duo Core Authentication Service outages detected?

IsDown monitors the Cisco Duo 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 Cisco Duo Core Authentication Service having an outage right now?

Cisco Duo Core Authentication Service last outage was on August 29, 2025 with the title "Blank Duo Prompt issue impacting users authenticating from both Chrome and Edge version 136 browsers and Epic Hyperdrive"

Cisco Duo down for everyone or just me?

How IsDown compares to DownDetector?

IsDown and DownDetector help users determine if a service 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. The integration allows us to provide more details about the outage, 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.

Want to be informed about Cisco Duo status changes?

IsDown offers an easy way to monitor Cisco Duo with maximum flexibility

Major Outages Notifications

IsDown monitors Core Authentication Service for major outages. A major outage is when Core Authentication Service experiences a critical issue that severely affects one or more services/regions. When Cisco Duo marks an incident as a major outage, IsDown updates its internal status, the customer status page and dashboard. Depending on the customer settings, IsDown will also send notifications.

Minor Outages Notifications

IsDown monitors Cisco Duo status page for minor outages. A minor outage is when Core Authentication Service experiences a small issue affecting a small percentage of its customer's applications. An example is the performance degradation of an application. When a minor outage occurs, IsDown updates its internal status and shares that information on the customer status page. Depending on the customer settings, IsDown will also send notifications.

Outage Details

IsDown collects all information from the outages published in Cisco Duo status page to provide the most accurate information. If available, we gather the title, description, time of the outage, status, and outage updates. Another important piece of information is the affected services/regions which we use to filter the notifications that impact your business.

Maintenance Feed

Cisco Duo publishes scheduled maintenance events on their status page. IsDown collects all the information for each event and creates a feed that people can follow to ensure they are not surprised by unexpected downtime or problems. We also send the feed in our weekly report, alerting the next maintenances that will take place.

Component Filtering

IsDown monitors Cisco Duo and all their 528 components that can be affected by an outage. IsDown allows you to filter the notifications and status page alerts based on the components you care about. For example, you can choose which components or regions affect your business and filter out all other outages. This way you avoid alert fatigue in your team.

Early Outage Indicators

Cisco Duo and other vendors don’t always report outages on time. Our crowdsourced status platform helps you stay ahead of outages. Users report issues and outages, sharing details on what problems they are facing. We use that info to provide early signs of outages. This way, even without an official update, you can stay ahead of possible problems.

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