Secure Login is not just a word, but a term with specific meaning. Hence, Secure login is a specific type of login process which Secure Socket Layer (SSL) is used to encrypt your provided data (username and password) and pass it to mail server. That insures the login details, or any information you provided to any particular website, is sent in encrypted form so that could not be stolen or breach before reaching the required webpage. As it is defined:
Secure Login Page
Secure Login is an innovative software solution specifically created for improving user and IT productivity and for protecting business-critical data in SAP business solutions by means of secure single sign-on to the SAP environment.
If you are concern about your online security and privacy, especially if you are to access sensitive data like Bank Account information, the secure login page is recommended for you. To login securely, simply check the box beneath the “Login” button.
Standard Login Page
Whereas, the standard login page uses a simple script to pass your login credentials (user-name and password) to the mail server. It is possible that if someone were to intercept this transmission of packets, the username and password would be compromised. As unlike to Secure Login, in Standard login the sent information is not encrypted.
Hence, Standard Login is a process in which the login information is sent to server or mail server by you, without being encrypted. Therefore, the identity theft is highly possible.
Still Login Risk?
As mentioned, the secure login page utilizes a Secure Sockets Layer (SSL) to encrypt the username/user-id and password before passing them to the mail server and with a secure login, any packets that might be intercepted are in an encrypted format that will be unreadable. However, although the information which is possible to intercepted, is unreadable, but not impossible to be decrypt. Your online security is also depending on the level and the type of encryption is used to encrypt your personal information. Therefore, for more secure login, please also check the level and the type of encryption software, or method being used.