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A datum breach at Connecticut ’s largest healthcare system Yale New Haven Health affect more than 5.5 million people , allot toa lawfully need noticewith the U.S. government ’s wellness department .

Yale New Haven said the March cyberattack earmark malicious hacker to prevail copies of patient role ’ in person identifiable information and some health care - related datum .

Per a card onthe healthcare scheme ’s web site , the steal datum varies by individual , but can let in patient names , escort of parturition , postal and e-mail addresses , earpiece figure , race and ethnicity data point , and Social Security numbers . The stolen data also includes information about types of patients and medical record numbers .

Local mediaquotedthe health care system ’s spokesperson as enjoin that the number of affected individuals “ may change . ”

When asked about the nature of the cyberattack by TechCrunch , Yale New Haven spokesperson Dana Marnane did not dispute that the incident was pertain toransomware .

“ The sophistication of the onset run us to believe that it was execute by an individual or group who has a pattern of these case of incidents , ” say Marnane , declining to gloss further to TechCrunch , citing an ongoing jurisprudence enforcement investigation .

The health care supplier declined to say if it had any communication with the hackers , or if the hacker made a demand for defrayal .

As of press time , no major ransomware group has publically taken credit for the plug . It ’s not rare for ransomware anddata extortion gangsto issue a victim ’s stolen file when negotiations to pay the ransom demand fail .

This is the 2nd major healthcare datum break confirmed this workweek , after Blue Shield of California revealed itshared wellness data of 4.7 million patients with Googleover several year .

update with remark and extra point related to ransomware .