As part of its iOS 9 announcement on Monday, Apple revealed that all newer iDevices equipped with TouchID and running the newer version of the operating system will be required to upgrade from a four-digit to a six-digit passcode.
According to Apple (and math), this will vastly expand the effort required to crack a four-digit passcode. Instead of 10,000 possible combinations, newer iOS devices will soon have one million. This change affects the iPhone 5S, 6, 6 Plus, iPad Air 2, and iPad Mini 3.
The switch comes at a time when the White House is in the process of coming up with a position on the issue as a chorus of government officials at home and abroad all call for backdoors in encrypted digital communications. Apple, which previously expanded its data encryption strategy under iOS 8, did not immediately respond to Ars’ request for comment on this issue. But the company made a point of underscoring its approach to user and data security during the Worldwide Developers’ Conference keynote on Monday.
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