What are best practices for implementing MFA in an organization?

Effective MFA rollouts start with choosing factor types deliberately rather than defaulting to whatever is easiest to deploy, since not all MFA methods offer the same level of protection.

Recommended implementation practices:

• Prioritize phishing-resistant factors: Certificate-based authentication or FIDO security keys resist attacks that SMS codes and basic one-time passwords remain vulnerable to.
• Apply MFA consistently: Cover all privileged accounts and remote access points rather than leaving gaps for convenience.
• Integrate with existing identity systems: Connect MFA to an organization's IAM infrastructure rather than deploying it as a disconnected silo.
• Plan the user rollout: Provide clear guidance and support during deployment to encourage adoption rather than resistance.
• Review and adjust over time: Periodically reassess which factors and policies remain appropriate as the threat landscape evolves.

Organizations that treat MFA as a one-time deployment rather than an ongoing program tend to see security gaps reappear over time as new systems, users, and threats emerge.