Setting Up A PIN? Security Experts Warn To Avoid These 4-Digit Codes At All Costs

As tempting as it might be, avoid using 0000 as your four-digit PIN code. Same goes for 1010, 1111, 1122, and 1212, which comprises the top five worst PIN codes, according to a list compiled by security experts. Just like a password, you should avoid using PIN codes that are commonly used. Yes, they can be easier to remember compared to a random string of numbers (PIN codes) or characters (passwords), but that's also part of what makes them a poor choice.

Of course, not all PIN codes are just four digits. On Apple devices, for example, the default passcode is actually six digits, though you have the option of downgrading to four digits if you prefer. Some banks also allow for six-digit PIN codes, though by and large, four-digit PIN codes are far more common for debit cards. That can be problematic because there are 'only' 10,000 ...