Hideez Blog | Passwordless Authentication News & Tips

Phishing-resistant MFA — defined by CISA as FIDO2/WebAuthn or PKI only — is the only mechanism that blocks AiTM proxy attacks, push fatigue exploits, and helpdesk social engineering at the protocol level. This guide covers the full deployment blueprint for European enterprises: authenticator selection, legacy AD integration, lifecycle management, and a 3-year TCO model for mid-market organizations. NIS2 Article 21 and DORA Article 9 compliance context included.