57,944individuals
Unauthorized Access/DisclosureArchived
The Signal Directory
Health Data Breach Tracker
Search every US health data breach of 500 or more people reported to HHS OCR since 2009. Filter by entity, type and date. Built from the OCR public breach portal.
Breaches listed
8,066
2009 to 2026
Individuals affected
1,106,146,271
sum of reported counts
Under investigation
open OCR cases
Top breach types
- 4,864
- 1,694
- 1,003
- 216
Monthly roundups
8,066 breaches
1,052individuals
Hacking/IT IncidentArchived
4,237individuals
Hacking/IT IncidentArchived
1,559individuals
Hacking/IT IncidentArchived
1,177individuals
Hacking/IT IncidentUnder investigation
2,808individuals
Hacking/IT IncidentArchived
2,522individuals
Hacking/IT IncidentArchived
584individuals
Hacking/IT IncidentArchived
7,195individuals
Hacking/IT IncidentUnder investigation
1,974individuals
Unauthorized Access/DisclosureArchived
21,565individuals
Hacking/IT IncidentArchived
76,922individuals
Hacking/IT IncidentUnder investigation
5,198individuals
Hacking/IT IncidentArchived
NY · Nov 15, 2024
Maternal Fetal Medicine Associates, PLLC, Carnegie Hill Imaging for Women, and Carnegie Women’s Health (collectively, “the Practices”)
Healthcare Provider
79,691individuals
Hacking/IT IncidentArchived
2,897individuals
Hacking/IT IncidentArchived
20,604individuals
Hacking/IT IncidentArchived
4,945individuals
TheftArchived
NC · Nov 14, 2024
Hospice and Palliative Care Charlotte Region dba VIA Health Partners
Healthcare Provider
777individuals
Hacking/IT IncidentArchived
170,653individuals
Hacking/IT IncidentArchived
OH · Nov 14, 2024
TriHealth H, LLC d/b/a TriHealth Physician Partners (“TriHealth”)
Healthcare Provider
36,753individuals
Hacking/IT IncidentArchived
86,758individuals
Hacking/IT IncidentArchived
942individuals
Hacking/IT IncidentArchived
366,491individuals
Hacking/IT IncidentUnder investigation
3,775individuals
Hacking/IT IncidentArchived
56,902individuals
Hacking/IT IncidentUnder investigation
26,353individuals
Hacking/IT IncidentUnder investigation
2,319individuals
Hacking/IT IncidentArchived
750individuals
Unauthorized Access/DisclosureArchived
3,800individuals
Hacking/IT IncidentArchived
3,255individuals
Hacking/IT IncidentArchived
1,232individuals
Unauthorized Access/DisclosureArchived
537individuals
Unauthorized Access/DisclosureArchived
133,149individuals
Hacking/IT IncidentUnder investigation
63,073individuals
Hacking/IT IncidentArchived
36,959individuals
Hacking/IT IncidentArchived
377,731individuals
Hacking/IT IncidentArchived
583individuals
Hacking/IT IncidentArchived
38,945individuals
Hacking/IT IncidentArchived
56,917individuals
Hacking/IT IncidentArchived
1,100individuals
Unauthorized Access/DisclosureArchived
4,973individuals
Unauthorized Access/DisclosureArchived
305,088individuals
Hacking/IT IncidentArchived
2,207individuals
Hacking/IT IncidentArchived
40,764individuals
Hacking/IT IncidentArchived
44,600individuals
Hacking/IT IncidentArchived
40,345individuals
Unauthorized Access/DisclosureArchived
648individuals
Hacking/IT IncidentArchived
2,876individuals
Unauthorized Access/DisclosureArchived
147,253individuals
Hacking/IT IncidentArchived
746individuals
Hacking/IT IncidentArchived
2,100individuals
Hacking/IT IncidentArchived
610individuals
Unauthorized Access/DisclosureArchived
1,187individuals
Hacking/IT IncidentArchived
85,133individuals
Hacking/IT IncidentArchived
994individuals
Unauthorized Access/DisclosureArchived
4,083individuals
Hacking/IT IncidentArchived
8,394individuals
Hacking/IT IncidentArchived
43,916individuals
Hacking/IT IncidentArchived
512individuals
Hacking/IT IncidentArchived
2,322individuals
Hacking/IT IncidentArchived
About this data
By Dr. Dereck Mush, MD, MBA, Editor In Chief
It currently holds 8,066 breaches, with submission dates from October 21, 2009 to October 9, 2026, and it refreshes every week from OCR's public breach portal.
We built it for the people who have to act on this data: health system CISOs and security teams benchmarking their own risk, compliance and privacy leads tracking how breaches are reported, and investors doing diligence on healthcare companies and their vendors.
Here's how to read it. Each row is a single report filed with OCR. It shows the covered entity, its state and entity type, the number of individuals affected, the breach type (for example hacking or IT incident, or unauthorized access), where the information was held, and the date it was submitted. Use the filters to narrow by submission date, entity type or breach type, and open any row for its detail page. The monthly roundups group new reports by submission month, so you can see what changed recently without scrolling the full list.
- Source. Every record comes from the HHS OCR breach portal, which lists breaches of unsecured protected health information affecting 500 or more individuals. We show the data as OCR reports it and don't add or change the reported facts. Any editorial note we add is labeled as ours.
- Under investigation vs archive. OCR keeps two lists. "Under investigation" lists HIPAA breaches reported within the last 24 months that are currently under investigation by the Office for Civil Rights. "Archive" holds resolved HIPAA breach reports and/or reports older than 24 months. A breach can move from one list to the other between weekly refreshes.
- Individuals affected. These are the counts reported to OCR. Entities can revise them, and the same person can appear in more than one breach, especially when a single vendor incident is reported separately by several covered entities. Adding the counts together will overstate the number of unique people affected.
- No implication of wrongdoing. A listing means a breach was reported to OCR. It doesn't mean the entity broke the law or was at fault beyond what OCR itself has published. Check OCR's own records for any finding, resolution or penalty.
- Updates. The tracker refreshes weekly. If you spot something that doesn't match OCR's portal, tell us and we'll check it against the source.
Source: HHS Office for Civil Rights Breach Portal. Latest submission in the data: Oct 9, 2026. Refreshed weekly from the portal.