10 min read
Authenticator App vs SMS Codes: Which Is Safer?
SMS 2FA and authenticator apps both protect your accounts, but they differ sharply against SIM swapping and phishing. Here's why one wins and how to switch.
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Blog
Guides about two-factor authentication and account security.
10 min read
How TOTP Works: The Math Behind Your 6-Digit Code
A plain-English walkthrough of how time-based one-time password codes are generated, from shared secret to the six digits you type.
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10 min read
What Is Two-Factor Authentication? Why Every Account Needs 2FA
Passwords alone get stolen every day. Two-factor authentication adds a second lock that stops most account takeovers, even when your password leaks.
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