An analysis of medical image storage systems exposed to the public web reveals that almost 600 servers in 52 countries are completely unprotected against unauthorized access. Attackers could use this information to deploy more efficient social engineering and phishing attacks that have financial rewards as the final goal. Italy has the highest number of affected systems, 10, and is also the country with the largest number of leaked medical information. India has close to 100 unprotected PACS and 627,000 records with over 105 million images attached.
Source: https://www.bleepingcomputer.com/news/security/400-million-medical-radiological-images-exposed-on-the-internet/