Apple's Touch ID moves the goalposts for mobile security
Touch ID also pairs well with an existing one of the new features of both iOS 7 and OS X Mavericks: iCloud Keychains. Keychains in OS X are secure content repositories. They're mostly used for securely storing user passwords, but they can also store encryption keys, digital security certificates, and secure notes. Each Mac has multiple keychains -- one for each user that is accessed at login (users can actually create multiple keychains if they wish), as well as system-level keychains that store secure information required regardless of which user is logged in or even when no user is logged in. For example, system-level keychains can store passwords for known wireless networks, which may need to be accessed for a user to login if a Mac isn't connected to a wired network, and root certificate authorities that allow a Mac to verify and trust external network sources for certificates like the ones used to secure ecommerce or online banking transactions.
iCloud Keychains allow a user's keychain(s) to sync across multiple devices and Macs and provide a consistent password locker and certificate management solution. They will also be able to store secure data commonly used in ecommerce like a user's credit card number and related information.
Ultimately, the launch of Touch ID in iOS moves the goalposts when it comes to mobile security, particularly when combined with some of the other security and enterprise features Apple has already announced for iOS 7.
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