9.9.1.a Obtain and review the media inventory log to verify that periodic media inventories are performed
9.9.1.b Review processes to verify that media is securely stored
[PCI DSS 1.x] 9.9.1 Properly inventory all media and make sure it is securely stored.
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[RETIRED] PCI DSS v.1.x Questions and Answers
Implement Strong Access Control Measures