Jscrambler is a software company based in Portugal, specializing in client-side protection and compliance solutions, particularly in relation to the Payment Card Industry Data Security Standard (PCI DSS). Founded in 2010, the company has developed a platform that focuses on securing payment pages by automating script management and ensuring compliance with PCI DSS requirements, specifically those aimed at preventing e-commerce skimming attacks. Jscrambler's solutions provide real-time monitoring and alerts for unauthorized modifications and malicious activities affecting payment scripts. Their offerings include tools for script discovery, authorization, and integrity validation, which are essential for compliance with PCI DSS v4 requirements. The company serves a diverse clientele, including major banks, airlines, and retailers, and emphasizes the importance of visibility and control over third-party scripts to safeguard cardholder data. Jscrambler's documentation reflects a commitment to helping organizations navigate the complexities of compliance and security in the evolving digital landscape.