Why do I need to press the power button twice to ensure a secure connection when entering a fingerprint after reinstalling macOS on an M1 iMac? What is the principle behind it?

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• Poster Aug 20, 2021
  imgur [dot] com [slash] ePYaet0
• Anonymous82 Aug 20, 2021
  Because there is a new Magic Keyboard that also has fingerprints, the M1 chip supports remote wireless fingerprint entry Since wireless entry is supported, it may be attacked by the protocol level, so it is prompted to press the power button twice to ensure that the operator has physical control over this computer. Simply put, it is like Bluetooth sending something to you and asking you to confirm it This is mainly used to prevent someone from recording fingerprints a few meters away from you, not to solve the situation that your computer is stolen