[eequah9L]

From TFA:

  > 86% of passwords when thermal images are taken within 20 seconds, and 76% when within 30 seconds

I don't know how long you spend at the ATM, myself I suspect I would typically fit within the 20 second window.

[SanjayMehta]

Well, then all they'd get from me is 5000 - that's the amount what I punch in after the PIN for my typical cash withdrawal.