The Fastest Way To Crack A 4-Digit PIN Number [Infographic] Good ol' 1234 accounts for about 10 percent of passwords. That's more than the bottom 4,200 combinations put together.

Most people use predictable PINs that thieves try first. Find out which codes to avoid and what you should use to better ...

Previously, researchers were able to crack the 50 most common PIN codes with a 74% accuracy rate. The researchers at NTU have come up with a formula that can guess all 10,000 possible 4 digit PIN ...

A four-digit PIN has 10,000 possible combinations, so you have ample opportunities to pick a good one. So what’s the best choice? “Statistically, 8068 is the safest PIN,” says Moffitt.