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When this change was rolled out, people were prompted to authenticate with the Microsoft Authenticator instead of Duo as originally communicated. CIT security has rolled back the change to resolve the issue.
During Fall 2025 and Spring 2026, Cornell is retiring the Duo Phone Call and
To use Cornell's Virtual Private Network (VPN) with campus networks and services, you must use Cisco Secure Client VPN software. See the How to Install Cisco VPN Software page for instructions.
To use Cornell's Virtual Private Network (VPN) with campus networks and services, you must use Cisco Secure Client VPN software. See How to Install Cisco VPN Software for instructions.
To use Cornell's Virtual Private Network (VPN) with campus networks and services, you must use Cisco Secure Client VPN software. See the How to Install Cisco VPN Software page for instructions.
Your Location and Privacy
The Duo mobile app does not track your exact location. It only records broad geographic data for the city or country where the login originated, such as "Ithaca, NY, US."
Duo only records a location at the time of the login attempt. It does not continuously track anyone…
Google no longer supports the U2F authentication standard in Chrome. This technology was previously used for USB security keys (hardware tokens), such as those used with Cornell Two-Step Login.
To accommodate this change, Duo, the vendor that supports the Two-Step Login service, in January 2022…
Slowness, Zoom issues, and other problems on MacOS (April 2026)A recent update to the Cisco client has caused performance issues on some MacOS devices. If you use VPN from an un-managed device (a computer not administrated by Cornell), CIT recommends deleting the Cisco Secure Client Socket Filters…