iCloud Keychain stores credit card numbers and expiration dates—without storing or autofilling the security code—and passwords and usernames, Wi-Fi passwords, Internet accounts, and more. Developers can also update their apps to use keychain, if the a

If you are letting someone else use your iPhone to browse the internet, it might be a good idea to disable iCloud Keychain's AutoFill feature temporarily. If for some reason, you don't want iCloud Keychain to automatically save password logins or

iCloud Keychain serves as a basic password manager for your iPhone and iPad. Through Keychain, you can save passwords for websites and apps and then retrieve them when you need to sign back into ...