Start here · Essential guide
Passwords and Passkeys: A Plain-Language Starting Point
Learn what passkeys are, how they differ from passwords, and when each one makes sense for everyday accounts, with practical steps for getting started.
Accounts and Money
Passwords and Passkeys
Building strong, manageable sign-in habits that hold up against takeover.
Authenticator Apps, Text Codes and Security Keys Compared
Compare the main second-step sign-in methods: text message codes, authenticator apps and physical security keys, with the strengths and limits of each.
How to Check Whether Your Email Has Appeared in a Data Breach
Learn how breach notification services work, how to use one safely, and what steps to take if your email address shows up in a data breach.
How to Choose a Passphrase You Can Remember
Learn why long, memorable phrases often beat short complex passwords, how to build one from random words, and which common mistakes to avoid.
Security Questions Are Weak: Safer Alternatives
Why security question answers are easy to guess or find online, how to treat them like extra passwords, and what safer recovery options to use instead.
Sharing Logins Safely With Family and Coworkers
Safer ways to give family members or coworkers access to an account than sending a password in a message, including delegation, shared vaults and limits.
Two-Step Sign-In Explained for Beginners
A beginner's guide to two-step sign-in: what a second proof of identity is, the common forms it takes, how setup works and what to do if you lose it.
What a Password Manager Does and Who Should Use One
Understand what a password manager stores, how it protects your entries, who benefits most, and how to weigh common concerns about putting everything in one place.
When and How Often to Change Your Passwords
Find out when changing a password actually helps, when forced regular changes add little, and how to update the right accounts without wasting effort.
Why Reusing Passwords Puts Every Account at Risk
See how one leaked login can unlock many accounts through credential stuffing, and how to break the password reuse habit gradually without feeling overwhelmed.
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