Duo Push is the easiest, quickest, and most secure way to authenticate. A login request will be sent to your mobile device using the Duo Mobile app. This method does not work when reactivating Duo Mobile. Learn how to Reactivate Duo Mobile on a New Phone.
- Log in to the My Cal Poly portal.
- Go to the Personal Info tab > Personal Info portlet > Authorized Devices > Multi-factor Authentication > Edit.
![Cal Poly ITS Knowledge Base > Authenticate with Duo Mobile (Push) > 1 - portal.png](https://calpoly.atlassian.net/wiki/download/thumbnails/1199309126/1%20-%20portal.png?version=1&modificationDate=1617645989603&cacheVersion=1&api=v2&width=700)
- Under Device, select a mobile phone number. Click the Send Me a Push button.
![Cal Poly ITS Knowledge Base > Authenticate with Duo Mobile (Push) > 1 - Choose authentication method - Send me a push.png](https://calpoly.atlassian.net/wiki/download/thumbnails/1199309126/1%20-%20Choose%20authentication%20method%20-%20Send%20me%20a%20push.png?version=1&modificationDate=1617645989735&cacheVersion=1&api=v2&width=466)
- A login request will be pushed to your mobile phone.
![Cal Poly ITS Knowledge Base > Authenticate with Duo Mobile (Push) > 2 - Pushed a login request to your device.png](https://calpoly.atlassian.net/wiki/download/thumbnails/1199309126/2%20-%20Pushed%20a%20login%20request%20to%20your%20device.png?version=1&modificationDate=1617645989840&cacheVersion=1&api=v2&width=466)
- On your phone tap the Duo Mobile login request notification.
![Cal Poly ITS Knowledge Base > Authenticate with Duo Mobile (Push) > 3 - Login Request.png](https://calpoly.atlassian.net/wiki/download/thumbnails/1199309126/3%20-%20Login%20Request.png?version=2&modificationDate=1634061844931&cacheVersion=1&api=v2&width=300)
- If prompted, tap the Request Waiting notification.
![Cal Poly ITS Knowledge Base > Authenticate with Duo Mobile (Push) > 4 - Tap to Respond.png](https://calpoly.atlassian.net/wiki/download/thumbnails/1199309126/4%20-%20Tap%20to%20Respond.png?version=1&modificationDate=1617645990045&cacheVersion=1&api=v2&width=300)
- Tap Approve. Note: Only approve requests that you have initiated. If you have not initiated a push notification, do not approve it.
![Cal Poly ITS Knowledge Base > Authenticate with Duo Mobile (Push) > 5 - Approve.png](https://calpoly.atlassian.net/wiki/download/thumbnails/1199309126/5%20-%20Approve.png?version=3&modificationDate=1634060244040&cacheVersion=1&api=v2&width=300)
- You have authenticated and your identity has been verified.
![Cal Poly ITS Knowledge Base > Authenticate with Duo Mobile (Push) > 6A - Device added.png](https://calpoly.atlassian.net/wiki/download/thumbnails/1199309126/6A%20-%20Device%20added.png?version=1&modificationDate=1617645990486&cacheVersion=1&api=v2&width=466)
Related Articles
![](https://calpoly.atlassian.net/wiki/plugins/servlet/confluence/placeholder/macro?definition=e2NvbnRlbnRieWxhYmVsOnNob3dMYWJlbHM9ZmFsc2V8bWF4PTV8c2hvd1NwYWNlPWZhbHNlfHNvcnQ9bW9kaWZpZWR8Y3FsPWxhYmVsIGluICggIm1mYSIgLCAiZHVvIiAsICJtdWx0aS1mYWN0b3ItYXV0aGVudGljYXRpb24iICkgYW5kIHNwYWNlID0gIkNQS0IiIGFuZCB0eXBlID0gInBhZ2UifQ&locale=en_GB&version=2)