Having a PCI Compliant Cardholder Data Environment (CDE)
Blog post from Basis Theory
A Cardholder Data Environment (CDE) is the collection of systems, networks, applications, people, and processes that store, process, transmit, or can access payment card data and sensitive authentication information under PCI DSS. Because every in-scope component must meet PCI DSS’s 12 requirements and hundreds of sub-requirements, organizations seek to limit CDE scope to reduce security, audit, and operational costs while avoiding potential fines, reputational damage, insurance increases, and legal claims. Common CDE components include web and database servers, point-of-sale terminals, network devices, payment applications, and relevant third-party providers. Organizations may store cardholder data such as primary account numbers, expiration dates, names, and service codes, but are prohibited from retaining sensitive authentication data such as magnetic-stripe data, CVV codes, and PINs after authorization. Achieving compliance involves securely implementing controls, continuously maintaining policies and processes, and completing recurring assessments, while organizations can either build an internal CDE or use a specialized service provider and tokenization platform to reduce their compliance footprint.
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