Apple’s Decision on Device Security: Passcode vs. Biometrics – The Risks and Advice for Users

Apple calls the “code” for unlocking an iPhone or iPad a passcode; this could be a swipe pattern, PIN or password.

I really wonder whether Apple’s solution against theft after copying a passcode is wise.

Until now, the passcode always worked and you could, optionally and alternatively, set up biometric unlock (Face ID or Touch ID). If you do that, you will occasionally have to unlock it with your passcode, and in any case after a reboot. Even if unlocking with biometrics failed several times, the passcode is a requirement.

I know from my own experience that, for example after tiling or grouting (I’m an amateur, so my fingers are dirty), Touch ID no longer works. Fortunately, I don’t fire Cobras, so that finger will work again – but that may take a day.

This can therefore lead to device lockout.

In any case, I do not understand the measure: people who already use biometrics are much less vulnerable to having their passcode copied; This mainly concerns those who currently do not use biometrics.

My advice to the latter group is: either screen carefully in public (pub, public transport, cinema, theater, etc.) before entering your passcode, or set up biometrics now and start using it. I wouldn’t enable that optional “biometrics-only” setting.

The risks of theft after copying the PIN code have been clearly explained by Joanna Stern of The Wall Street Journal in videos on YouTube, see my previous response for the links.

2024-01-18 08:14:37
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