iCloud Keychain: How to enable and use Apple's system for storing passwords and credit cards across your devices

Cloud Keychain saves a user's passwords, credit card information, and other sensitive data and syncs it across Apple devices. Here's how to use it.

'What is a keychain password?': How to navigate Apple's Keychain Access app and change your password

A keychain password is the master password for your Mac's "Keychain Access" app, which stores your usernames and passwords.