A PoS device is designed to complete a retail transaction. Calculates the amount that customers must pay for their purchases and provides options for customers to make that payment. PoS devices are connected to the internet to authorize vendor transactions and most of these PoS devices run on some variant of Windows and Unix.

Point of Sale (PoS) malware is malicious software expressly written to steal customer payment details – especially credit card details – from retail checkout systems. Criminals often purchase point-of-sale malware to steal customer data from a retail organization with the intention of selling the data rather than using it outright.

There are two ways to target a store customer’s credit card data: the attacker can infiltrate the databases where the data is stored or intercept the data at the point of sale (POS). While there are physical methods that can be used to steal data at these points, those methods require access to point-of-sale equipment and generally expensive hardware as well.

One of these methods uses an additional reader connected to the store’s card reader. The second device reads and stores two card tracking data for swipe payment. Two magnetic stripe tracking data includes the primary card number and security code, as well as other information, such as what types of charges are allowed.

It’s true that PoS malware worries retailers more than customers. However, users should be vigilant about protecting their accounts. Regularly monitoring returns is a good way to check for fraudulent purchases, data breaches or not, and it is best to always be vigilant and not let your guard down.

Businesses should check if their existing configurations can be improved. For example, PoS systems could benefit from whitelisting or blocked systems. Allowing only specific applications to run on the system will make it difficult for malware to run on PoS devices.

Read also:
Vollgar – Malware that is launched with brute force
Black Box – An attack targeting ATMs

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