1. A system to ensure payment card industry (PCI) data security standards compliance, the system comprising: a security appliance to perform multiple security functions, the security appliance including an initial configuration separating a plurality of security appliance units into respective isolated virtual server containers of the security appliance, each unit having a security boundary surrounding the unit which prevents interactions or observations between units, each unit having a different set of authorized users; a display unit to provide information of (PCI) security standards compliance performance of the system via a Managed PCI compliance portal on a secure basis; and a control unit to monitor PCI data security standards compliance performance in real-time and to implement additional procedures required based on the monitored PCI data security standards compliance performance to ensure PCI data security standards compliance wherein each of the plurality of security appliance units include at least: a global unit to encompass and monitor the functions of the security appliance and other units of the security appliance, an integrity unit to construct maps of file systems of the network devices and to compare the constructed maps with previously constructed maps to detect differences between the constructed maps and the previously constructed maps, and a scanning unit to perform periodic network scans to ensure security of the network devices and to detect unrecognized devices on the network.