According to the Ponemon Institute, criminal attacks in health care have increased by 125 percent since 2010. The American Action Forum estimated that medical breaches have cost the U.S. health care system more than $50 billion since 2009. A typical patients medical data can be accessed by at least 30 people and organizations, ranging from physicians to pharmacies, insurers and even pharmaceutical companies. All data being transmitted should be encrypted, and role-based access controls should be implemented by all health care organizations that need to access data.”]
Source: https://securityintelligence.com/why-is-medical-data-so-difficult-to-protect/