The recommended solution for UC to enable a two-factor login process for Salesforce and their existing on-premise applications is to replace the custom 2FA system with Salesforce 2FA for on-premise applications and Salesforce. Salesforce 2FA is a feature that requires users to verify their identity with a second factor, such as a verification code or a mobile app, after entering their username and password. Salesforce 2FA can be enabled for both Salesforce and on-premise applications by using one of the following methods:
Use Salesforce Authenticator, a mobile app that generates verification codes or sends push notifications to users’ devices.
Use a third-party authenticator app, such as Google Authenticator or Microsoft Authenticator, that generates verification codes based on a shared secret key.
Use a verification code sent by email or SMS to users’ registered email address or phone number.
Use a U2F security key, such as YubiKey, that plugs into users’ devices and provides a physical token.
By replacing the custom 2FA system with Salesforce 2FA, UC can benefit from the following advantages:
Improved security and compliance by using a standard and proven 2FA solution that protects against phishing, credential theft, and brute force attacks.
Reduced complexity and cost by eliminating theneed to maintain a custom 2FA system and integrating it with Salesforce.
Enhanced user experience and convenience by providing multiple options for verifying identity and allowing users to remember trusted devices or browsers.
The other options are not recommended solutions for this scenario. Using the custom 2FA system for on-premise applications and native 2FA for Salesforce would create inconsistency and confusion for users who have to use different methods of verification for different applications. Replacing the custom 2FA system with an AppExchange app that supports on-premise applicationsand Salesforce would require UC to find an app that meets their specific needs and pay for its license and maintenance. Using custom login flows to connect to the existing custom 2FA system for use in Salesforce would require UC to write custom code and logic to invoke the custom 2FA system from Salesforce, which could introduce security and performance issues. References: [Two-Factor Authentication], [Salesforce Authenticator], [Third-Party Authenticator Apps], [Verification Code via Email or SMS], [U2F Security Keys], [Custom Login Flows]
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