Two-Factor Authentication for CAS












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            Two-factor authentication is a simple and effective way to better protect your university 

            you use for accessing services like SIS or Microsoft 365. Besides your password, you will 
            your identity through a mobile application – so even if someone discovers your password, t
            to access your account without the second step.


            Activation takes just a few minutes and significantly increases the security of your data.
            applications will soon require two-factor authentication, so we recommend enabling it as s





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            * Activation Process

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            You can use other applications or methods as the second factor, but here we will show the 
            CU Key application. You can also use Google Authenticator or another app. However, please 

            verification unless absolutely necessary, for example, if you don't have smartphone.

            1.First, install the CU Key application on your phone: CU Key:



                <div style="text-align:left">
                As a second factor, we

                recommend <strong>CU Key</
                strong> application by
                Charles University.</div>

            2.Launch the application and follow the login guide.


                
            3.Now go to the following address and log in:


              https://ldap.cuni.cz/mfa [ URL "https://ldap.cuni.cz/mfa"]

            4.Click the Turn On button.


            5.Choose the situation in which you want to be prompted for verification and click Submit.


            6.In the Available Methods section, you should now see the registered CU Key application. 
              on the right.


            7.You will see emergency login codes that you can use if the verification application does
              not installed, or you cannot use it.







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            * Login Process with Activated Two-Factor Authentication

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            1.Go to the page that requires login, for example, https://ldap.cuni.cz/ [ URL "https://ld
              enter your login details, and click Login.


            2.You will now be prompted to confirm the login request on your mobile phone.


            3.On your mobile phone, tap the CU Key application notification and confirm the login if y
              login request.
              Note that this is the moment when you can prevent unauthorized access to your account if

              stolen your password by denying or ignoring the login confirmation.