ATM PIN Theft and the Mathematics of Systematic Guessing

The video below describes how an infrared device on iPhones can be used to steal Personal Identification Numbers (PINs) on ATM cards and credit cards. It is important that you watch this video because it also contains instructions on how to prevent theft.

What I am going to discuss post is how mathematics will be used on guessing the PINs systematically. This is not to encourage stealing, but to inform everyone that it can be done — so be careful.  In addition, there are machines nowadays that could copy cards, so once your card has been copied without you knowing it, the thief can have all the time in the world to guess your PIN. Please watch the video before continuing reading.  » Read more