ILS Data Breach Affects Almost 21K Iowan Medicaid Recipients. The Iowa Department of Health and Human Services (DHHS) has confirmed a HIPAA compliance breach where the personal information of 20,815 Iowans who The Iowa Department of Health and Human Services says almost 21,000 Medicaid recipients were affected by the ILS data breach. Data breaches have also been reported by Retina & Vitreous of Texas, Southwest Healthcare Services, and Stanford University. Third-party company: Telligen, Inc..