Nine of the 10 largest breaches posted so far this year involved hacking/IT incidents. Of the 142 major breaches affecting nearly 4.25 million individuals that have been added to the tally so far in 2019, 89 were reported as hacking incidents. As of Thursday, the cumulative tally lists 2,698 major health data breaches affecting a total of nearly 195.4 million individuals. One of the largest breaches was a GandCrab ransomware attack on a business associate that impacted more than three dozen clients and nearly 207,000 individuals.”]
Source: https://www.govinfosecurity.com/health-data-breach-tally-update-whats-been-added-a-12464