In-depth guides, tips, and tutorials on two-factor authentication and online security.
Crypto transactions are irreversible, which makes exchange accounts the highest value login you own. Here is the 2FA setup serious holders use, and the mistakes that empty wallets.
Read more →A plain-English glossary of every account security term worth knowing, from 2FA to zero trust. Bookmark it, and click through to the deep dives on each concept.
Read more →A magic link logs you in by emailing you a one-click link instead of asking for a password. Here is how it works, why services love it, and its real security trade-offs.
Read more →Even with cookies blocked and incognito on, websites can often recognise your device from its unique configuration. Here is how device fingerprinting works, for tracking and for security.
Read more →Entropy is the real math behind password strength, measured in bits. Here is what it means, how to think about it, and why it explains why long beats complex.
Read more →A salt is a pinch of randomness added to each password before hashing, and it defeats an entire class of attacks. Here is what it does and why every stored password should have one.
Read more →That padlock icon represents HTTPS, powered by TLS, encrypting your connection to a website. Here is what it actually protects, what it doesn't, and why the padlock alone isn't a safety guarantee.
Read more →VPN ads promise total anonymity and hacker-proof security. The reality is narrower and more useful. Here is what a VPN actually does, honestly, without the marketing.
Read more →Social engineering skips the technology and hacks the human instead. Here is how manipulators trick people into handing over access, the common tactics, and how to build resistance.
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