Update, May 26, 2025: This story, originally published May 24, has been updated with a brief history of PIN codes, information regarding the most secure codes you can use and why 8068 really isn’t the ...

Four digit PIN codes protect everything from your bank account to your cell phone. But if you choose your PIN yourself, chances are your money and data isn’t as safe as you think. ABC News Australia ...

There are 10,000 possible four-digit PINs (personal identification numbers) available, and yet thousands of people are still using the same, simple combinations – with 1234 the most popular.

There are many opportunities to use 'four-digit PIN numbers' in our daily lives, such as credit card PIN numbers, smartphone passcodes, and PC unlock codes. In all cases, we should use four-digit ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, May 20, 2025: This story, originally published May 19, ...