Identifying and Securely deleting card holder data (PAN) that has exceeded its retention period, is one of the important activity in protecting card holder data. There are free & commercial version of tools available in the market which will assist you in identifying the PAN Stored in the different locations (Files, Databases).
PCI-DSS Requirement 3.1: A quarterly process for identifying and securely deleting stored cardholder data that exceeds defined retention.
List of Free Card Scan tools:
- PAN Buster from XMCO – Command line utility which will help you to identify the PAN and Track Data. Less false positive when compared to CCSRCH utility.