In March 2019, Rush University Medical Center (“Rush University”) sent out breach notification letters to approximately 45,000 patients. The letter advises patients that a privacy incident occurred that may have involved the patients’ personal information. The privacy incident was caused by an employee of a third-party financial services vendor. The employee released a file that contained patient information to an unauthorized person. According to the breach notification letter, law enforcement and regulatory officials were involved in the investigation of the privacy incident. Rush University sent the breach notification letter in compliance with the Health Insurance Portability and Accountability Act’s privacy and security rules.