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Apple steps up security with native two-factor and 6-digit passcodes in iOS 9

Apple puts two factors front and center to secure accounts in iOS and OS X, while suggesting a longer passcode in iOS 9.

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Glenn Fleishman’s most recent books include Take Control of Zoom, Second Edition, Take Control of Your M-Series Mac, and Take Control of Securing Your Mac. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.