Two-Factor & Passkeys

Curated directory

Authenticator apps and security keys that add a second lock to your accounts.

Free, open-source authenticator app for Android with encrypted backups of your codes.

Simple, free authenticator for iPhone and Android with encrypted cloud backup so codes survive a lost phone.

Physical security keys that make account logins essentially phishing-proof — the strongest form of two-factor authentication.

Learn how passkeys work and which services already support passwordless, phishing-resistant sign-in.

Always confirm you are on the genuine official website before entering personal information.

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