PIN. The first
, and most common usage of a PIN is a code used by an individual so that he/she can access
his/her bank account
at an ATM machine, but others can't. PINs
were first used for ATMs
in the late 1960s, and have since been applied to many other technological developments in order to keep
sensitive information secure. PINs can be used to verify debit card purchases
, or as part of a login process for websites, cell phones, or other devices.