TOTP vs HOTP: What's the Difference and Which Should You Use?
Both TOTP and HOTP generate one-time passwords, but they use different mechanisms. Learn the technical differences and why TOTP became the dominant standard for 2FA apps.
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In-depth guides, tips, and tutorials on two-factor authentication and online security.
Security
Password Manager vs 2FA: Do You Actually Need Both?
Both password managers and 2FA are recommended by every security expert. But what does each one protect against? And do you really need both? The answer is yes, here's why.
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How QR Codes Work in Two-Factor Authentication
When you set up 2FA, you scan a QR code. But what's actually in it? Learn exactly what data QR codes encode for TOTP, how to read them, and how to generate your own.
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How to Create a Strong Password: The Complete 2026 Guide
A strong password is your first line of defence. Learn what actually makes a password strong, what the latest NIST guidelines say, and how to manage dozens of unique passwords.
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Passkeys vs Passwords: Which Is More Secure in 2026?
Passkeys promise to replace passwords with something more secure and easier to use. But how do they actually compare? We break down every angle of the debate.
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What Is a Passkey? The Complete Guide to Passwordless Login
Passkeys replace passwords with cryptographic keys stored on your device. Learn how they work, which sites support them, and whether they're truly more secure.
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2FA vs MFA: What's the Difference?
2FA and MFA are often used interchangeably, but they're not the same thing. Learn the precise difference and which one your business or personal accounts actually need.
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Is SMS 2FA Safe? Why Security Experts Say No
SMS-based 2FA is better than no 2FA, but it has serious weaknesses. Learn why security experts recommend switching to an authenticator app and how to do it.
Read more →Is Google Authenticator Cloud Backup Safe? The Honest Answer
Google Authenticator added cloud backup in 2023. But is it safe? We explain exactly what gets synced, the security risks, and whether you should turn it on.
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