Take Control of iOS & iPadOS Privacy and Security, 2nd Edition

Manage Passwords and Second Factors

Apple’s built-in password-management system creates, manages, and fills in strong, unique passwords for every website you visit and every app you use that has opted to work with the system.

Whenever you visit a webpage in Safari, tapping in the password field—or sometimes also in the username or account name field—prompts you with a stored password that the operating system thinks is the best fit. This is often the case as well in both Apple and third-party apps.

Apple first presents a single password, which is one of the following:

• The most likely best-matching password the operating system has stored in iCloud Keychain or the local operating system store of passwords.

• The password you used previously ...