Artivion, a U.S.-based medical device manufacturer specializing in implantable tissues for cardiac and vascular transplants, has disclosed a significant ransomware attack. The company reported that hackers acquired and encrypted sensitive company files during a cybersecurity breach on November 21, 2024. In response, Artivion took its systems offline, engaged cybersecurity experts, and initiated recovery efforts. The breach has disrupted operations, with the company scrambling to restore its systems. The incident highlights ongoing cybersecurity risks faced by critical industries, including the healthcare sector.