Establish an access control system that restricts user access on the need to know basis |
Per this PCI requirement, access must be enabled and configured on the need to know basis and set to "Deny All" unless specifically allowed. Without a mechanism to restrict access based on user’s need to know, a user may unknowingly be granted access to cardholder data, which may result in malicious or accidental breaches of cardholder data. Action1 can assist in automating PCI DSS section 7.2 by providing the necessary data from all of your endpoints to demonstrate your compliance.
7.2.1: Access Control Systems are In Place
Verify that access control systems exist on all endpoints in the CDE
7.2.2: Access Control Systems are Configured
Confirm that access control systems are configured to enforce privileges
7.2.3: Default Deny-All Setting
Confirm that access control systems have a default "deny-all" setting
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Find more information on 7.2: Access Control System
at Microsoft TechNet.