Understanding PCI DSS 11.6.1: Securing the Client Side of E-Commerce Payment Pages
Introduction PCI DSS 4.0 introduces Requirement 11.6.1, a new expectation to secure the client side of e-commerce environments. This isn’t a minor update. It is a hard reality check where organizations must detect unauthorized changes directly in consumers’ browsers. Traditional server-side protections are no longer enough. What PCI DSS 11.6.1 Requires Requirement 11.6.1 mandates that organizations: Implement mechanisms to detect and alert on unauthorized changes to payment page content and scripts as they load in the consumer’s browser. Specifically, address client-side security, where the user interacts with the page — not just what resides on the server. Evaluate these controls either continuously or at least once every seven days, unless a targeted risk analysis justifies an alternate frequency. Simply, companies must now actively monitor what customers see and interact with, not just what was deployed from their servers. ...