- DSG International is a leading European retailer with over 1,300 stores across 28 countries employing 40,000 people serving over 100 million customers annually. - The document discusses DSGi's PCI DSS requirements which include external and internal vulnerability scanning, system hardening/configuration, and web application scanning. - DSGi implemented Qualys to meet these PCI DSS requirements as it is an Approved Scanning Vendor, is software-as-a-service requiring no hardware/software maintenance, and provides easy to use PCI DSS reports.