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

LA · Feb 14, 2025

Restorix Health, Inc.

Business Associate

38,553individuals

Unauthorized Access/DisclosureUnder investigation

NY · Feb 14, 2025

Somnia, Inc.

Business Associate

19,069individuals

Hacking/IT IncidentArchived

OH · Feb 10, 2025

CPS Solutions, LLC

Business Associate

500individuals

Hacking/IT IncidentUnder investigation

IN · Feb 7, 2025

Blue & Co., LLC

Business Associate

591,713individuals

Hacking/IT IncidentArchived

AZ · Feb 6, 2025

St. Marys NDS LLC

Business Associate

11,715individuals

Hacking/IT IncidentArchived

TX · Feb 3, 2025

City of McKinney

Health Plan

17,751individuals

Unauthorized Access/DisclosureArchived

CA · Jan 31, 2025

PIH Health, Inc.

Healthcare Provider

2,947,264individuals

Hacking/IT IncidentUnder investigation

OR · Jan 31, 2025

Regence BlueShield

Business Associate

783individuals

Unauthorized Access/DisclosureArchived

NJ · Jan 30, 2025

ZI NEUROSCIENCES

Healthcare Provider

1,000individuals

Unauthorized Access/DisclosureArchived

NY · Jan 27, 2025

Endo Group, LLC

Healthcare Provider

4,498individuals

Hacking/IT IncidentArchived

GA · Jan 24, 2025

OrthoMinds, LLC

Business Associate

89,371individuals

Hacking/IT IncidentArchived

OK · Jan 17, 2025

OU Medicine, Inc.

Healthcare Provider

2,537individuals

Hacking/IT IncidentArchived

GA · Jan 16, 2025

Alliant Health Plans

Health Plan

695individuals

Unauthorized Access/DisclosureArchived

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.