According to DataGenetics, after an analysis of 4-digit PINs: "Statistically, one third of all codes can be guessed by trying just 61 distinct combinations! Th

According to DataGenetics, after an analysis of 4-digit PINs: "Statistically, one third of all codes can be guessed by trying just 61 distinct combinations! The 50% cumulative chance threshold is passed at just 426 codes (far less than the 5,000 that a random uniformly distribution would predict)." [0] [0] http://datagenetics.com/blog/september32012/index.html http://datagenetics.com/blog/september32012/index.html