Case Study: Large Medical Group secures patient PHI and ensures compliance with Illumio

Large Medical Group Enables Healthcare Compliance with Illumio

A large regional medical group managing personal health information for roughly 400,000 patients and 400 physicians across multiple data centers faced an unmanageable network-segmentation effort. The IT team needed to prevent lateral movement and insider or lateral-attacker access to PHI, ensure compliance as workloads moved toward third-party cloud hosts, and avoid information overload and heavy administrative overhead from multiple security tools.

They deployed Illumio Adaptive Security Platform to create real-time application dependency maps, baseline who needs access, and enforce micro-segmentation at the server and process layer with alerts and automated lockdowns. The result was effective prevention of unauthorized network movement and policy violations of PHI, easier policy administration, rapid plug-and-play deployment, and lower ongoing administrative burden.