A computer security company says that when it comes to 4-digit PIN-numbers, the most common is 1234...the rarest one used is 8068.

Data Genetics crunched all the numbers to find that a large percentage of people are still using super-easy to hack codes such as 1234 and 6969. In fact, just 20 different 4-digit combinations account for more than 25% of all PINs.