A team of cyber criminals in Germany has sent malware-based emails to workers of a fast-food center which is having multiple outlets spread geographically. When the worker opened the email, it…

A team of cyber criminals in Germany has sent malware-based emails to workers of a fast-food center which is having multiple outlets spread geographically. When the worker opened the email, it downloaded malware to the fast-food center's point-of-sale (POS) systems located at various outlets. After gaining access to the POS systems, the criminals will be able to obtain credit-card details of the fast-food center's customers. In the given scenario, identify the type of attack being performed at the fast-food center?