When thinking about cybersecurity, many stakeholders outside the industry will rarely consider the physical systems supporting digital information. And yet, almost any security framework worth its salt will have some provision for securing physical systems and environments. PCI DSS 4.0 is no different, and the ninth requirement is dedicated to just this topic.

This article will discuss this requirement and exactly what it means to approach the physical security of systems containing cardholder data in compliance with PCI DSS.