956individuals
Hacking/IT IncidentUnder investigation
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
874individuals
Unauthorized Access/DisclosureArchived
980individuals
TheftArchived
3,500individuals
Hacking/IT IncidentArchived
1,565individuals
Hacking/IT IncidentArchived
2,650individuals
Hacking/IT IncidentArchived
2,321individuals
Hacking/IT IncidentArchived
2,620individuals
Hacking/IT IncidentArchived
OH · Jan 9, 2025
HCF of Court House Inc. ("St. Catherine's Manor of Washington Court House")
Healthcare Provider
3,012individuals
Hacking/IT IncidentArchived
1,944individuals
Hacking/IT IncidentArchived
2,844individuals
Hacking/IT IncidentArchived
2,935individuals
Hacking/IT IncidentArchived
3,986individuals
Hacking/IT IncidentArchived
1,253individuals
Hacking/IT IncidentArchived
2,333individuals
Hacking/IT IncidentArchived
512individuals
Hacking/IT IncidentArchived
4,744individuals
Hacking/IT IncidentArchived
2,704individuals
Hacking/IT IncidentArchived
2,969individuals
Hacking/IT IncidentArchived
1,208individuals
Hacking/IT IncidentArchived
4,395individuals
Hacking/IT IncidentArchived
1,768individuals
Hacking/IT IncidentArchived
1,604individuals
Hacking/IT IncidentArchived
1,862individuals
Hacking/IT IncidentArchived
2,709individuals
Hacking/IT IncidentArchived
2,489individuals
Hacking/IT IncidentArchived
12,162individuals
Hacking/IT IncidentArchived
1,338individuals
Hacking/IT IncidentArchived
265,701individuals
Hacking/IT IncidentArchived
25,895individuals
Hacking/IT IncidentArchived
10,175individuals
Hacking/IT IncidentArchived
759individuals
Unauthorized Access/DisclosureArchived
1,446individuals
Hacking/IT IncidentArchived
701,475individuals
Hacking/IT IncidentUnder investigation
868individuals
Unauthorized Access/DisclosureArchived
298,629individuals
Hacking/IT IncidentArchived
MN · Jan 6, 2025
Pediatric Home Respiratory Services, LLC d/b/a Pediatric Home Service
Healthcare Provider
41,792individuals
Hacking/IT IncidentArchived
3,078individuals
Hacking/IT IncidentArchived
64,000individuals
Hacking/IT IncidentArchived
3,855individuals
Hacking/IT IncidentArchived
1,370individuals
Unauthorized Access/DisclosureArchived
64,813individuals
Hacking/IT IncidentArchived
540individuals
Unauthorized Access/DisclosureArchived
3,864individuals
Unauthorized Access/DisclosureArchived
29,898individuals
Hacking/IT IncidentUnder investigation
12,723individuals
Hacking/IT IncidentArchived
30,312individuals
Hacking/IT IncidentUnder investigation
16,926individuals
Hacking/IT IncidentArchived
1,110individuals
Hacking/IT IncidentUnder investigation
112,847individuals
Hacking/IT IncidentArchived
790individuals
Unauthorized Access/DisclosureArchived
501individuals
Hacking/IT IncidentUnder investigation
MA · Dec 27, 2024
Judge Baker Children’s Center dba The Baker Center for Children and Families
Healthcare Provider
2,715individuals
Hacking/IT IncidentArchived
29,819individuals
Hacking/IT IncidentArchived
4,552individuals
Hacking/IT IncidentUnder investigation
64,946individuals
Hacking/IT IncidentArchived
3,223individuals
Hacking/IT IncidentArchived
1,153individuals
Unauthorized Access/DisclosureUnder investigation
1,317individuals
Unauthorized Access/DisclosureArchived
776individuals
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.