What role should the CISO play in properly scoping a PCI environment?

Validate the business units’ suggestions as to what should be included in the scoping process

Work with a Qualified Security Assessor (QSA) to determine the scope of the PCI environment

Ensure internal scope validation is completed and that an assessment has been done to discover all credit card data

Complete the self-assessment questionnaire and work with an Approved Scanning Vendor (ASV) to determine scope