Passwords, serial numbers, ATM codes—we’re all swimming in a sea of information that’s secret (or should be). Make it easy to remember, and someone may swipe it. Make it hard to guess, and you may ...

If you’re not using iCloud Keychain on your iPhone, iPad, or Mac, you should definitely turn it on. It’s basically a full-fledged password manager built right into iOS and macOS that stores all of ...