You can confirm the university web login server's identity by the SSL Web Server Certificate issued by a trusted Certificate Authority (CA). The university web login server has installed a SSL Web Server Certificate so that it supports secured web access (https). With SSL, information and data is protected with encryption before it is sent over the Internet.
This login page is being accessed using SSL. If you are using Google Chrome, for example, you can see the lock at the beginning of the address bar. Click at the lock and select "Certificate", it will show you the SSL certificate of the website.
You can verify that: