Massachusetts General Hospital

Massachusetts General Hospital notified a patient that a workforce member inadvertently sent an email containing the patient's Protected Health Information (PHI) and personal information to an incorrect address on May 28, 2026. The Privacy Office learned of the incident on June 23, 2026. The exposed data included the child's name, date of birth, address, phone number, school, medical condition, and Social Security number, as well as the parent's name and contact information. MGH is providing 24 months of complimentary credit monitoring through Experian IdentityWorks and has implemented additional training and safeguards to prevent recurrence.

Massachusetts General Hospital notified a patient that on February 3, 2026, a workforce member inadvertently sent a document containing PHI (name, DOB, SSN, diagnosis) to the incorrect patient via Patient Gateway. The Privacy Office became aware on February 6, 2026. The hospital investigated, implemented preventive measures, and is offering 24 months of credit monitoring.

Mass General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-12-18. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-08-07. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-08-07. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-02-28. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-02-28. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-06-07. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-05-31. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-05-31. 1 Massachusetts residents were affected.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-03-29. 1 Massachusetts residents were affected.

Massachusetts General Hospital filed a data breach notice with the Vermont Attorney General on February 21, 2024. The notice advises consumers to review account statements and update personal information. The specific nature of the breach, data types compromised, and number of affected individuals are not detailed in the filing page itself, though the attached PDF is a consumer notice regarding protected health information.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-12-15. 1 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts General Hospital notified the NH AG of a misdelivery incident on Nov 2, 2023, where a consent form containing PHI, PII, and financial info was sent to the wrong patient via Engaged MD. One NH resident affected. Notices sent Nov 28, 2023. Account deactivated; training improved.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-10-13. 1 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-08-25. 2 Massachusetts residents were affected. The report records the breach type as paper.

Mass General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-08-18. 12 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-07-17. 1 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-05-12. 1 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts General Hospital notified the NH AG of a data security incident involving one NH resident. A clinical research associate shared patient information via email on Sept 6-7, 2022. The incident was discovered on March 5, 2023. The hospital offered 24 months of credit monitoring.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-03-31. 1 Massachusetts residents were affected. The report records the breach type as paper.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-03-09. 1 Massachusetts residents were affected. The report records the breach type as paper.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-03-09. 1 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-01-11. 1 Massachusetts residents were affected. The report records the breach type as paper.

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2022-12-15. 1 Massachusetts residents were affected. The report records the breach type as electronic.