One of these PIN codes might be yours: which passwords are easy to crack

A study of 3.4 million PIN codes found that combinations 1234, 1111, and 0000 account for nearly 19% of all codes, making cards vulnerable. Analysts warn that fraudsters check these simple sequences first, and one in five cardholders risks becoming an easy target.

A study analyzing 3.4 million PIN codes revealed that combinations 1234, 1111, and 0000 make up nearly 19% of all codes. This means that one in five bank cardholders risks becoming an easy target for fraudsters. Experts explain the popularity of simple codes by people's habit of choosing what is easy to remember: consecutive digits, repeating numbers, or dates of birth. Such codes are convenient for the owner, but equally convenient for criminals. The article references the Polish publication Onet and does not contain its own journalistic investigation.