tl;dr:If your organization handles or processes card payment data, an important milestone is upon you with the coming retirement of PCI DSS 3.2.1 and the following adoption of the new PCI DSS 4.0 standard. SonarQube can help you prepare for the new PCI DSS 4.0 requirements by identifying vulnerabilities, automating standards enforcement, conducting regular code reviews, and training developers on secure coding practices.