Yes. Just hold your fingers over some random keys after inserting the card and wait to enter the pin. And after that just keep your hand over the keypad while you wait for the money.
(I work for over 10 years with thermal cameras and know the limits)
Slightly, as well as removing^H^H^H^H^H^H^H^Hdeleting characters, but the picture invariably shows the keys used, so it will in any case reduce the complexity of brute force attacks by several orders of magnitude.
(I work for over 10 years with thermal cameras and know the limits)