In-depth guides, tips, and tutorials on two-factor authentication and online security.
FIDO2 and WebAuthn are the standards behind passkeys and security keys. Here is how the cryptography works, why phishing becomes impossible, and what developers need to know.
Read more →A hardware security key is the only 2FA method that phishing cannot beat. Here is how the little USB keys work, who genuinely needs one, and how to set one up without locking yourself out.
Read more →Both apps generate the same TOTP codes, but they differ sharply on backups, push notifications, and platform features. A practical comparison to help you pick.
Read more →A breach notification email is not a reason to panic, but it is a deadline. Here is exactly what to do in the first hour, the first day, and the first week after your data leaks.
Read more →The dangers of coffee shop WiFi are half myth, half real. Here is what attackers can and cannot see on public networks today, and the precautions that still matter.
Read more →Why steal a password when you can steal the logged-in session itself? Learn how cookie theft bypasses even 2FA, and the habits and settings that shut it down.
Read more →A keylogger records everything you type, from passwords to private messages, and sends it to an attacker. Learn how they get installed, the warning signs, and how to protect yourself.
Read more →Modern GPUs guess billions of passwords per second. Learn how brute force and dictionary attacks work, what actually slows them down, and how long your password would last.
Read more →Billions of leaked passwords get replayed against every major website, automatically, around the clock. Here is how credential stuffing works and why unique passwords plus 2FA end it.
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