3 articles available
Multi-factor authentication, passkeys, biometrics, SSO, OAuth, and identity theft prevention.
Hardware security keys like YubiKey are the strongest form of two-factor authentication available. Learn how they work, which to buy, and how to set them up.
Choosing the right authenticator app affects your security, convenience, and recovery options. We compare the top authenticator apps across features, backup, and platform support.
Two-factor authentication is the single most effective way to prevent account takeovers. Learn how 2FA works, compare methods, and set it up on every important account.