Every time you create an account, you can have Safari generate a unique, hard–to–guess password. And remember it for you.
Another new Settings option is AutoFill, which ties in with Apple’s new cross–platform iCloud Keychain.
Here, Safari can be set up to remember:
iCloud Keychain can also be used with Safari to generate a unique, secure password. And data stored on iCloud is saved with 256–bit AES encryption.