Microsoft Authenticator

A secure two-factor authentication and passwordless sign-in app that protects both personal and work accounts. Use one-tap approvals and phone sign-in for Microsoft accounts and Azure AD, generate time-based one-time passwords for any site, and keep access safe with cloud backup and biometric app lock. Ideal for high-efficiency workflows, enterprise security, and anyone who needs fast, reliable MFA. Keywords: two-factor authentication, MFA app, passwordless login, OTP, Azure AD, cloud backup, secure sign-in.