Keeping track of loyalty and purchase history.

A POS system handles your most sensitive information: sales figures, inventory costs, and sometimes customer data. Cracked software is often a "Trojan Horse." Hackers may embed malware or keyloggers into the installation file, allowing them to monitor your business activity or steal credit card information processed through the system. 2. Lack of Updates and Compliance

Many reputable companies offer a "Lite" version of their POS for free, which includes basic inventory and sales tracking.