I knew there was a good reason XCode kept telling me it couldn't launch my app as the device was locked. So unless I missed something, if the device is locked this hack doesn't work.
It turns out that any device you connect with an iOS via the USB port can obtain your device's Universal Device ID (UDID), as long as the device isn't passcode-locked. It just takes a second, so if you plug in your device while it's unlocked, or unlock it while plugged in, or just don't have a passcode, Mactans can attack.
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I knew there was a good reason XCode kept telling me it couldn't launch my app as the device was locked. So unless I missed something, if the device is locked this hack doesn't work.
As laid out in the article:
It turns out that any device you connect with an iOS via the USB port can obtain your device's Universal Device ID (UDID), as long as the device isn't passcode-locked. It just takes a second, so if you plug in your device while it's unlocked, or unlock it while plugged in, or just don't have a passcode, Mactans can attack.