Comment Smudge style attacks around since dawn of time (Score 1) 185
This is a classic and not new. I have seen the use of gummy bears to beat fingerprint readers etc, which are all smudge style attacks. The problem with their paper is, it is not practical. If the touchscreens have smudges, they are going to have a lot of them! The problem with their experiment is that they do not take into account the amount of use and abuse the touchscreens get. They only have 'holding the phone up to face' action. So, if somebody ONLY uses their touchscreen Android phone for only unlocking their phone and holding it up to their face, they deserve to have their unlock pattern stolen...