Case Study: Williamson County achieves 1-day internal investigations and continuous CJIS/HIPAA compliance with Rubrik Sonar

Williamson County Leverages Rubrik Sonar to Discover and Report on Sensitive Data

Williamson County, Texas, serving over 600,000 residents, relies on a four-person IT team to support critical services like public safety, 911, and courts. Faced with growing sensitive data and strict FERPA, HIPAA, and CJIS requirements, the team struggled with time-consuming manual discovery, lack of 24/7 visibility, and high audit risk.

The county deployed Rubrik Sonar to automate sensitive-data discovery, reporting, and continuous monitoring, working with Sonar to develop a custom CJIS policy. Sonar provided immediate visibility (an initial scan surfaced ~8 million PII/HIPAA hits), enabled a one-day resolution of an internal investigation versus thousands of manual hours, and delivered continuous compliance with zero production impact and 24/7 support.

Williamson County

Rory Tierney

IT Infrastructure Manager