How can you implement multi-factor authentication (MFA) in Azure?

Implementing multi-factor authentication (MFA) in Azure can be effectively achieved by utilizing Azure Active Directory (Azure AD) MFA. This service enhances security by requiring users to provide two or more verification methods—something they know (like a password), something they have (like a mobile device), or something they are (like a fingerprint). By integrating Azure AD MFA, organizations can protect access to sensitive data and applications in Azure.

Azure AD MFA supports various verification options, such as phone calls, SMS texts, mobile app notifications, or hardware tokens, allowing for flexibility in user authentication methods. This capability is crucial in modern security frameworks to prevent unauthorized access and mitigate the risks associated with compromised credentials.

The other options do not specifically address MFA implementation. Azure Network Security primarily focuses on network-level protection and does not encompass user authentication methods. Configuring VPN policies relates to securing remote network access rather than providing multifactor authentication. Windows Defender is an endpoint security solution focused on malware protection and does not facilitate MFA on its own. Therefore, Azure AD MFA is the dedicated service designed specifically to implement MFA within the Azure ecosystem.