[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1tde1n6yo561c":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":9,"domain":10,"breachDate":11,"addedDate":12,"modifiedDate":12,"contentUpdatedAt":12,"source":13,"sourceUrl":14,"sourceUrls":15,"pwnCount":18,"affectedCount":18,"affectedCountStatus":19,"affectedCountLowerBound":18,"affectedCountUnit":20,"hasEnglishDescription":4,"severity":21,"dataClasses":22,"description":35,"seoTitle":36,"seoTitleEn":37,"seoDescription":36,"seoDescriptionEn":38,"logoUrl":39,"isVerified":4,"isSensitive":4,"isSpamList":40,"isMalware":40,"company":41},"6a6b54c8599b0b295c436dab","BrownHealthMedicalGroup2025","Brown Health Medical Group 2025 Data Breach","brown-health-medical-group-2025","brownhealth.org","2025-12-15T00:00:00.000Z","2026-07-30T13:42:32.388Z","Official Hawthorn notice, Massachusetts regulator record, and official Brown Health page","https:\u002F\u002Fwww.hawthornmed.com\u002Fwp-content\u002Fuploads\u002FBrown-Hawthorn-Data-Incident-Substitute-Notice.pdf",[14,16,17],"https:\u002F\u002Fwww.mass.gov\u002Fdoc\u002F2026-1151-lifespan-physician-group-of-massachusetts-inc-dba-brown-health-medical-group-ma\u002Fdownload","https:\u002F\u002Fwww.brownhealth.org\u002Fcenters-services\u002Fbrown-health-medical-group",290357,"lower_bound","people","High",[23,24,25,26,27,28,29,30,31,32,33,34],"Names","Dates of birth","Contact information","Social security numbers","Driver's license numbers","Government issued IDs","Credit cards","Financial account information","Health insurance information","Medical information","Employment details","License information","\u003Cp>\u003Cstrong>The 2025 Brown Health Medical Group data breach\u003C\u002Fstrong> was confirmed through a notice published by Hawthorn Medical Associates and an official Massachusetts regulator record. The filing reports at least 290,357 affected Massachusetts residents.\u003C\u002Fp>\n\u003Cp>The incident affected a historic file server at the Hawthorn location operated by Lifespan Physician Group of Massachusetts, Inc. as Brown Health Medical Group-MA. The organization said its electronic health record system was not affected.\u003C\u002Fp>\n\u003Ch2>How Did the Breach Happen?\u003C\u002Fh2>\n\u003Cp>Unauthorized access occurred between December 15 and 16, 2025 and was discovered on December 16. The server was isolated; the initial access method and whether data was removed were not publicly disclosed.\u003C\u002Fp>\n\u003Ch2>What Information Was Affected?\u003C\u002Fh2>\n\u003Cp>Potentially affected fields include names, dates of birth and contact details; Social Security numbers, driver's-license or other government identification; financial account and card information; and health-insurance, medical, billing, claims and payment information. Some people may also have had personnel, payroll, professional-license and disability records involved. The fields varied by person.\u003C\u002Fp>\n\u003Ch2>What Response Was Disclosed?\u003C\u002Fh2>\n\u003Cp>The organization said it retrained employees, implemented additional technical safeguards and notified law enforcement. Affected individuals were offered two years of identity-restoration and fraud-detection services.\u003C\u002Fp>\n\u003Ch2>What Should Affected People Do?\u003C\u002Fh2>\n\u003Cp>Notice recipients should rely on the data scope in their own letter and monitor financial accounts, credit reports and health-insurance statements for unfamiliar activity. People whose Social Security or government-identification information was involved may consider a free fraud alert or credit freeze.\u003C\u002Fp>","","Brown Health Data Breach (At Least 290,357 People Affected)","The Brown Health Medical Group breach may have involved identity, financial and health data. Review the confirmed scope and protection steps.","\u002Fuploads\u002Flogo\u002Fbrown-health-medical-group-official-logo.png",false,{"name":42,"sector":43,"country":44,"website":10,"websiteArchiveUrl":36,"websiteStatus":45,"websiteCheckedAt":12},"Brown Health Medical Group-MA","Healthcare","United States","active"]