ControlScan, established in 2005 and based in the United States, operates within the software industry, focusing on computer and network security, information technology services, and corporate services. The company employs between 51 and 200 individuals and has reported annual revenue of approximately $30 million. ControlScan's expertise encompasses payment security and compliance with the Payment Card Industry Data Security Standard (PCI DSS). Their published content includes technical reports that provide insights into updates and changes in PCI DSS, such as the transition from version 4.0 to 4.0.1. These documents are authored by industry professionals, including PCI Qualified Security Assessors, who engage with clients to offer guidance on compliance and security best practices. The company emphasizes the importance of maintaining relevant and effective standards to address contemporary payment security challenges, contributing to a comprehensive framework for safeguarding payment data. Through their documentation, ControlScan aims to educate clients and enhance understanding of compliance requirements in the evolving landscape of payment security.