Password Security Guides
Practical, plain-English guides to creating strong passwords and keeping your accounts safe. Each one explains the reasoning, so you can apply it with or without our tools.
Password Entropy Explained: How Strength Is Really MeasuredWhat password entropy means, how to calculate it in bits, and why length beats clever substitutions. (6 min read)Passphrases vs Random Passwords: Which Should You Use?How passphrases built from random words compare with random character strings, and when each one makes sense. (6 min read)How Passwords Get Cracked: Attacks and DefensesThe main ways attackers guess or steal passwords, how sites store them, and what actually protects you. (7 min read)Two-Factor Authentication: Types, Setup and RecoveryThe main kinds of two-factor authentication, how they compare, how to set them up and how to avoid getting locked out. (7 min read)Password Managers Explained: What to Look ForHow password managers work, what makes one trustworthy, and how to set one up safely. (7 min read)What to Do After a Data Breach: A Step-by-Step GuideA practical checklist for when your email or password appears in a data breach, in the order that matters. (6 min read)