Regulator-posted notice

Breach notice filed by Partners HealthCare System, Inc. (February 2018)

Organization named: Partners HealthCare System, Inc. Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

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

Posted on the HHS Office for Civil Rights breach portal with a submission date of Feb. 5, 2018.

Organization as reported: Partners HealthCare System, Inc., MA
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Desktop Computer, Network Server
Submission date: Feb. 5, 2018
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 13921, row:5060)
Archived copy: Held in the private archive (provenance)

Partners HealthCare System, the covered entity (CE), reported that its computer system was infected with malware which affected 2,450 individuals. The PHI involved included names, treatment information, Social Security numbers, and financial information. Following this breach incident, the CE updated and implemented additional technical safeguards and retrained its workforce. OCR obtained assurances that the CE implemented the corrective actions noted above.
The source's own words, from the revision above.

Figures, per source

2,450 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Feb. 5, 2018, 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.

2018-02-05Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 13921)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Partners HealthCare System, Inc. 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, retrieved from HHS Office for Civil Rights breach portal, 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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