After Feb. 2, 2026, older versions of the Duo Mobile Application (earlier than version 4.85) will no longer work for two-step login at UC Berkeley. To continue accessing campus systems that require CalNet two-step, you must update your Duo Mobile app or set up an alternative authentication method.
Your phone must meet these minimum requirements to support the latest version of Duo Mobile:
In UC’s ongoing commitment to safeguarding and protecting your data, UC Berkeley is introducing enhanced security methods for CalNet MFA verification (aka CalNet 2-Step).
After March 18, 2025, you will have two options:
The Campus Directory Update tool now offers privacy settings to let you choose what data is shared.
You now have the option to select how each particular data element is displayed in the directory. Options include:
Public: everyone can see this field; this is the default setting
Logged in: only those logged in via CalNet can see this field; or
Not visible: no one can see this field
After entering in your CalNet credentials, your browser will notify you that an authentication prompt has been sent to the registered device using your most recent method as the default. A side-by-side visual of this change is available below.
If you need to select a different method for authentication, click on “Other Options'' and a list of your registered devices will be displayed. To add or edit your registered devices, go to mycalnet.berkeley.edu.
If you use the Duo Mobile App to complete your CalNet 2-Step, you will start to see changes to the Duo Mobile user interface (UI) in October.
What to expect from this new version (v 4.0.0.).
For iOS changes will occur October 11 through 18, 2021.
For Android changes will occur October 11 through 15, 2021.
What’s changing?
Applications that rely on the operating system’s list of trusted root certificates and the majority of modern clients should not be impacted. However, some may experience issues connecting to UC Berkeley (and other) websites that are secured by InCommon SSL/TLS certificates. These special cases include:
Do you want to allow campus guests to use your application? Now you can easily do so with CalNet Sponsored Guests, the newest service from the CalNet team. Replacing the recently deprecated legacy guest service, CalNet Sponsored Guests allows your guests to use their personal Google account to log into your applications - no more CalNet IDs!
Ready to roll out the welcome mat?
Karl Grose, one of the founding fathers of CalNet, is retiring.
Starting March 11th services that use Active Directory Federation Services (ADFS) will require CalNet 2-Step Authentication.
Examples of software include CalShare and Microsoft 365.
We are pleased to announce that the CalNet Team has won the Chancellor’s Outstanding Staff Award (COSA) for implementing the CalNet 2-Step multi-factor authentication system for all employees at the University of California, Berkeley.
COSA awards are given annually, and are awarded based on criteria such as innovation, adaptation, and efficiency, and enhancing Berkeley’s mission and reputation.
All students are required to sign up for CalNet 2-Step verification by Sept. 24, 2018.
If you attended the One IT Summit held on June 7, 2018 in the MLK Student Center, chances are you stopped by the coolest table in the Exhibit Hall - the CalNet 2-Step table.
Change is afoot in the CalNet team!
We are pleased to announce that our long-time manager Jeremy Rosenberg has been promoted to the position of Chief Information Security Officer for UC Berkeley. The recruitment for a new CISO was a long process and we were fortunate to have a number of qualified and capable candidates apply. Jeremy bested them all, and stepped into his new position of CISO effective May 1.
Sign up for CalNet 2-Step, and enter for your chance to win an iPad! Sign up sooner to have more chances to win.
Do you travel abroad for work? Have you considered what will happen if you lose your phone or laptop? How will you access your CalNet account using 2-Step if your device is lost or stolen?
Never fear, dear traveler! Just take a few moments to set yourself up for success by doing the following:
Update your Recovery Email Address at mycalnet.berkeley.edu