Multi-Factor Authentication (MFA)
Enforced for all users including admins, with phishing-resistant methods (authenticator app or FIDO2 / WebAuthn) preferred over SMS.
Conditional Access policy screenshot showing MFA enforcement; sign-in log sample showing 100% MFA prompts; admin role MFA report.
Service accounts that can't take MFA; legacy auth still enabled (POP/IMAP/SMTP); inherited break-glass account without MFA.