Why?

Browsers now only support TLS 1.2, while CAS is currently 1.1.

Impact

Access to CAS-authenticated applications, including Banner 9, Argos.

Details

Until this issue is resolved:

On Chrome, the Address field displays Not Secure. Click it and you will see a warning that Your connection to this site is not fully secure.

On Firefox, you will see a Your connection is not fully secure message. If you click Show advanced, you can then click Proceed to cas.wpi.edu (unsafe).