Guides & Articles
Clear, practical guides on password security, passphrases, password managers, two-factor authentication, and surviving data breaches — written to help you keep your online accounts safe.
Account Security & 2FA
How Hackers Actually Steal Passwords (And How to Stop Them)
Attackers rarely 'guess' your password. They use a small set of repeatable techniques — and each one has a specific, practical defense. Here is how password theft really works.
How to Check If Your Password Was Leaked in a Data Breach
Billions of credentials are already circulating from past breaches. Here is how to check whether yours are among them — safely — and the exact steps to take if they are.
Authenticator App vs SMS 2FA: Which Is Actually Safer?
Both add a second layer to your login, but they are not equally safe. Here is how authenticator apps and SMS codes really differ — and which one to turn on.
What Is Two-Factor Authentication? A Plain-English Guide to 2FA
A password alone is a single point of failure. Here is what two-factor authentication actually is, the different types ranked from weakest to strongest, and exactly how to switch it on for the accounts that matter most.
Password Basics
Common Password Mistakes (And the Exact Fix for Each One)
Almost every account takeover traces back to a handful of avoidable habits. Here are the password mistakes people make most often — and the precise fix for each one.
What Is Password Entropy? Understanding How Strength Is Actually Measured
Strength meters love to throw the word 'entropy' at you, but what does it actually measure? Here is how bits of entropy work, why randomness beats length, and how to estimate the real strength of any password.
How to Create a Strong Password That's Actually Easy to Remember
Strong and memorable are not opposites. Here is how to build passwords you can actually recall, using length, passphrases, and a few simple memory tricks.
Passphrase vs Password: Which Is More Secure and Why?
A passphrase strings several words together; a password crams symbols into a short string. Here is how each one actually gets cracked, and why length tends to win.
How Long Would It Take to Crack Your Password? A Length Breakdown
Crack time depends far more on length than on a clever symbol or two. Here is a concrete breakdown of how long brute force really takes, with worked examples and a length-by-length table.
What Is Diceware? Generating Truly Random Passphrases You Can Trust
Rolling physical dice against a numbered word list is one of the few ways to create a password whose strength you can actually prove with math. Here is how Diceware works and how many words you really need.
Password Managers & Tools
What Are Passkeys and How Do They Work vs Passwords?
A website just asked you to create a passkey instead of a password. Here is what that actually means, how the cryptography works in plain English, and why passkeys are far harder to phish or steal.
Is It Safe to Save Passwords in Your Browser? What to Know First
Your browser's offer to remember a login is tempting, but how protected is it really? Here is a clear, honest look at how browser password storage works, where it falls short, and when it is good enough.
Are Password Managers Safe? Risks, Benefits, and the Honest Truth
Putting every password in one app feels risky. Here is how the encryption actually works, what really happens if a provider is breached, and how to use a password manager so it strengthens your security instead of becoming a single point of failure.