PCI Scan Compliancy is a vulnerability assessment scanning solution designed to achieve and maintain industry compliance. Administrators can run up to 10 scans per quarter over a maximum of 5 externally facing IP addresses that touch the credit card acceptance, transmission and storage process (additional IP packs are available).
This product, known also as "PCI Scanning device ", allows you to scan your website for vulnerabilities. This type of scan is mandatory when accepting online payment.
Details: Most importantly you need to scan your website back-end and the software the supports your website platform.
You can scan both your external and internal network.