2023’s Largest Health Data Breach So Far Brings Legal Flurry

Health-care patients have filed nearly a dozen proposed class actions following the largest medical information cyberattack reported so far this year, forecasting the legal stakes for providers when hackers target such sensitive data.

Regal Medical Group disclosed last month that over 3.3 million patients had their personal and health information exposed in a December 2022 ransomware cyberattack. The US Department of Health and Human Services says the breach is currently the biggest reported to it in 2023. The agency’s Office for Civil Rights is also investigating it.

At least 11 lawsuits, all in California, were filed in the three weeks ...