Building Secure Authentication Faster: When SaaS Teams Should Go Passwordless

This article provides practical guidance for SaaS teams migrating from passwords to passwordless authentication, focusing on when to move, how to choose between passkeys and magic links, and how to roll out with minimal risk. It covers security hardening (origin-bound keys, attestation, CTAP 2.1), compliance fit (SOC 2, ISO 27001, HIPAA), migration stages, KPIs to measure success, and common pitfalls such as recovery flows and cross-platform QA, emphasizing passkeys for phishing resistance and magic links as a broad fallback.