Salesforce Authenticator description

Salesforce Authenticator adds an extra layer of security for your online accounts with two-factor authentication. With Salesforce Authenticator, you use your mobile device in addition to your password to verify your logins and other account activity. The app sends you a push notification, and you respond with just a tap. For even more convenience, Salesforce Authenticator can use your mobile device's location services to verify you automatically from trusted locations, like your office or home. You can also get a one-time verification code that can be used when you're offline. Salesforce Authenticator works with the entire Salesforce Platform - Sales Cloud, Service Cloud, Marketing Cloud (ExactTarget), App Cloud, and Analytics Cloud.

Salesforce Authenticator can also be used to secure your other online accounts that support time-based one-time passwords (TOTP). Any service that allows two-factor authentication using an “Authenticator app” can be used with Salesforce Authenticator.