The Retailer's Guide to Becoming and Remaining PCI Compliant

By adapting a solution based on trust, no potential vulnerabilities can possibly be exploited since the root of the exploit is outside the known trusted source and will not execute. A controlled environment that focuses on the BAUs can also help solve a common problem that's affecting the compliance of many retailers: unsupported systems. Retail systems are often widely distributed and geographically diverse. This also tends to be accompanied by aging operating system software and applications that can't necessarily be updated overnight.