April 24, 2025 By Pierluigi Paganini
Yale New Haven Health (YNHHS) announced that threat actors stole the personal data of 5.5 million patients in a cyberattack.
Yale New Haven Health (YNHHS) disclosed a data breach that exposed personal information of 5.5 million patients following a cyberattack that occurred earlier this month.
Yale New Haven Health System (YNHHS) is a nonprofit healthcare network headquartered in New Haven, Connecticut. It stands as the largest healthcare system in the state, encompassing a comprehensive array of medical services and facilities.
The system operates more than 360 locations across Connecticut, southeastern New York, and Rhode Island, managing over 2,400 beds and employing a vast network of healthcare professionals. The healthcare network employs about 30,000 health professionals and has an annual revenue of over $5.6 billion.