5.4 Multi Factor Authentication

Having just one key is never enough, sometimes we need different authentication mechanisms to ensure security.

It’s not about something you know, like password. But something you have or something you are, or in 3FA both.

Azure incorporates MFA as a key component for Azure Entra ID, for sign in and transactions.

Benefits

• Increased security, prevents the risk of unauthorized access because even if one set of credentials are compromised, unauthorized users still need to bypass additional security features.
• Flexibility, users can choose from a variety of authentication methods like OTP, biometrics, etc.
• Compliance, MFA helps organizations meet various compliance standards.

Common Methods

• Phone calls
• Text Messages
• Mobile app notifications
• Biometrics
• Authenticator apps

Use Cases

• Securing cloud access
• Remote work security

MFA is best with the help of conditional access policies