Password Security Guide
The essentials you need to know about password and account security, organized by topic.
How to Create a Strong PasswordThe three keys to a strong password are length, randomness and uniqueness. Here are the practical principles for making a safe password and the mistakes to avoid.Read more
Why You Need a Password ManagerPeople can't memorize dozens of strong passwords. This explains how a password manager works, its benefits, and how to set a secure master password.Read more
Passphrases: Easy to Remember, Strong to CrackA passphrase that joins several random words is as strong as a random string yet far easier to remember. Here's how it works, how to make a good one, and common misconceptions.Read more
Protecting Accounts with Two-Factor Authentication (2FA)Even if your password leaks, two-factor authentication can keep your account safe. Learn how 2FA works, how safe each method is, and the recommended setup.Read more
Password Entropy and How Cracking WorksThis explains why entropy (bits) is the measure of password strength, how brute-force and dictionary attacks work, and how strong a password you actually need.Read more