Vanguard Advisor by Vanguard Integrity Professionals is a cybersecurity audit and compliance tool designed for z/OS environments. It is part of Vanguard's suite of Audit & Compliance Solutions for z/OS, RACF, ACF2, and Top Secret (TSS). Vanguard Advisor focuses on SMF reporting capabilities, allowing organizations to monitor, analyze, and report on security-related events in their mainframe systems.