Two factor authentication is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. Just enter your username, then approve the notification sent to your phone. Your fingerprint, face ID, or PIN will provide a second layer of security in this two step verification process.
According to the antivirus report, the app doesn't contain viruses or any kind of malware. Microsoft Authenticator is created by Microsoft Corporation and its category is Business. The average rating for the tool is 4.5 on Google Play.