Regulator-posted notice

Breach notice filed by Massachusetts General Hospital (July 2015)

Organization named: Massachusetts General Hospital Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized Access/Disclosure

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of July 8, 2015.

Organization as reported: Massachusetts General Hospital, MA
Entity type as reported: Healthcare Provider
Category as reported: Unauthorized Access/Disclosure
Location of information as reported: Email
Submission date: July 8, 2015
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 14760, row:5899)
Archived copy: Held in the private archive (provenance)

An employee of the covered entity (CE), Massachusetts General Hospital, sent an unencrypted e-mail to the incorrect e-mail address. The e-mail contained the protected health information (PHI of 648 individuals. The types of PHI involved in the breach included names, dates of birth, medical record number sand social security numbers. Following the breach, the CE sanctioned the employee in question and changed its policy to use a secure storage application instead of e-mail to send PHI. OCR obtained assurances that the CE implemented the corrective actions listed above.
The source's own words, from the revision above.

Figures, per source

648 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date July 8, 2015, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

2015-07-08Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 14760)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Massachusetts General Hospital Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
text/csv, 5,530,996 bytes, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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