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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 is the author of dozens of books. His most recent, updated for iOS 14, iPadOS 14, and Big Sur, are Take Control of iOS and iPadOS Privacy and Security, Take Control of Your Apple ID, Second Edition, and Take Control of Wireless Networking and Security. He’s a senior contributor to Macworld, where he writes Mac 911.
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