PK Protect for z/OS by PKWARE is a data discovery and protection solution designed for IBM Z mainframes. It enables organizations to discover and protect critical data in large VSAM clusters, sequential, Partitioned, and Tape data sets on IBM Z mainframes. PK Protect for z/OS provides discovery on unstructured z/OS data sets, using data definitions and copybooks for accurate discovery. It addresses sensitive data duplication and replication, offering a secure method for managing personally identifiable information (PII) and ensuring compliance.