| Southeast Nursing and Rehab Center | TX | Healthcare Provider | 600 | 06/06/2023 | Improper Disposal | Other, Paper/Films | No | |
| T. Rowe Price Group, Inc. | MD | Health Plan | 684 | 06/02/2023 | Hacking/IT Incident | Network Server | Yes | |
| Elgon Information Systems | MA | Business Associate | 31248 | 06/02/2023 | Hacking/IT Incident | Network Server | Yes | |
| Mercy Medical Center - Clinton, Inc. | IA | Healthcare Provider | 20865 | 06/02/2023 | Hacking/IT Incident | Network Server | No | |
| Pain Relief Centers PA | NC | Healthcare Provider | 7000 | 06/01/2023 | Unauthorized Access/Disclosure | Electronic Medical Record | No | |
| Builders FirstSource Flex Plan | TX | Health Plan | 3690 | 05/30/2023 | Hacking/IT Incident | Network Server | No | |
| Iowa Department of Health and Human Services - Iowa Medicaid (Iowa HHS-IM) | IA | Health Plan | 233834 | 05/30/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 996 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 1389 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 1191 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 1518 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 524 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 507 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Pioneer Valley Ophthalmic Consultants, PC | MA | Healthcare Provider | 36275 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 983 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Brightline, Inc. | CA | Business Associate | 8432 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 803 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 1147 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 537 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 796 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 1097 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Alvaria, Inc. | MA | Business Associate | 916 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Sparta Community Hospital District | IL | Healthcare Provider | 900 | 05/26/2023 | Hacking/IT Incident | Email | No | |
| Managed Care of North America (MCNA) | GA | Business Associate | 8861076 | 05/26/2023 | Hacking/IT Incident | Network Server | Yes | |
| Iowa Department of Health and Human Services | IA | Health Plan | 833 | 05/26/2023 | Unauthorized Access/Disclosure | Paper/Films | Yes | |
| South Jersey Behavioral Health Resources, Inc. | NJ | Healthcare Provider | 2193 | 05/26/2023 | Unauthorized Access/Disclosure | Email | No | |
| Valley Orthopaedic Specialists | CT | Healthcare Provider | 5062 | 05/26/2023 | Hacking/IT Incident | Network Server | No | |
| Lancaster Orthopedic Group | PA | Healthcare Provider | 500 | 05/26/2023 | Hacking/IT Incident | Network Server | No | |
| Albany ENT & Allergy Services, PC. | NY | Healthcare Provider | 224486 | 05/25/2023 | Hacking/IT Incident | Network Server | No | |
| Asian Health Services | CA | Healthcare Provider | 6270 | 05/25/2023 | Hacking/IT Incident | Email | No | |
| Vascular Center of Intervention, Inc. | CA | Healthcare Provider | 3833 | 05/24/2023 | Hacking/IT Incident | Network Server | No | |
| Harvard Pilgrim Health Care | MA | Health Plan | 2550922 | 05/24/2023 | Hacking/IT Incident | Network Server | No | |
| MedInform, Inc. | OH | Business Associate | 14453 | 05/24/2023 | Hacking/IT Incident | Network Server | Yes | |
| The CSC Generation Holdings, Inc. Health and Welfare Plan | WA | Health Plan | 2219 | 05/24/2023 | Hacking/IT Incident | Network Server | No | |
| UI Community Home Care, a subsidiary of University of Iowa Health System | IA | Healthcare Provider | 67897 | 05/24/2023 | Hacking/IT Incident | Electronic Medical Record, Network Server | No | |
| Culbertson Memorial Hospital | IL | Healthcare Provider | 501 | 05/24/2023 | Hacking/IT Incident | Network Server | No | |
| Grant Regional Health Center | WI | Healthcare Provider | 4135 | 05/23/2023 | Hacking/IT Incident | Email | No | |
| County of Sacramento | CA | Healthcare Provider | 1000 | 05/23/2023 | Hacking/IT Incident | Email | No | |
| Topcon Healthcare Solutions, Inc. | NJ | Business Associate | 4209 | 05/22/2023 | Hacking/IT Incident | Network Server | Yes | |
| PillPack LLC | NH | Healthcare Provider | 19032 | 05/19/2023 | Hacking/IT Incident | Network Server | No | |
| PartsSource, Inc. Welfare Benefit Plan | OH | Health Plan | 1474 | 05/19/2023 | Hacking/IT Incident | Network Server | No | |
| Tennessee Orthopaedic Clinics | TN | Healthcare Provider | 500 | 05/19/2023 | Hacking/IT Incident | Network Server | No | |
| Marshall Information Services, LLC dba Primary Solutions | OH | Business Associate | 7456 | 05/18/2023 | Hacking/IT Incident | Network Server | Yes | |
| University of Missouri Health Care | MO | Healthcare Provider | 736 | 05/17/2023 | Unauthorized Access/Disclosure | Electronic Medical Record | No | |
| Clarke County Hospital | IA | Healthcare Provider | 28003 | 05/17/2023 | Hacking/IT Incident | Network Server | No | |
| Buckeye Health Plan | OH | Health Plan | 686 | 05/16/2023 | Unauthorized Access/Disclosure | Email | No | |
| Fertility Specialists Medical Group | CA | Healthcare Provider | 9437 | 05/15/2023 | Hacking/IT Incident | Network Server | No | |
| Lehigh Valley Health Network | PA | Healthcare Provider | 627 | 05/15/2023 | Hacking/IT Incident | Network Server | No | |
| R&B Corporation of Virginia d/b/a Credit Control Corporation | VA | Business Associate | 345523 | 05/13/2023 | Hacking/IT Incident | Network Server | Yes | |
| PharMerica Corporation | KY | Healthcare Provider | 5815591 | 05/12/2023 | Hacking/IT Incident | Network Server | No | |
| Great Expressions Dental Centers | MI | Healthcare Provider | 528 | 05/12/2023 | Hacking/IT Incident | Network Server | No | |
| Sesame, Inc. | NY | Business Associate | 1809 | 05/12/2023 | Unauthorized Access/Disclosure | Network Server | Yes | |
| Illinois Department of Healthcare and Family Services, Illinois Department of Human Services | IL | Health Plan | 50839 | 05/12/2023 | Hacking/IT Incident | Network Server | No | |
| Solutran | MN | Business Associate | 17728 | 05/12/2023 | Hacking/IT Incident | Network Server | Yes | |
| Health Benefit Plan of the Anchorage School District | AK | Health Plan | 4598 | 05/12/2023 | Theft | Laptop | No | |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | CT | Health Plan | 1116 | 05/12/2023 | Unauthorized Access/Disclosure | Email | No | |
| Catholic Health System | NY | Healthcare Provider | 12759 | 05/11/2023 | Unauthorized Access/Disclosure | Electronic Medical Record | Yes | |
| IMA Financial Group, Inc. | KS | Business Associate | 2937 | 05/10/2023 | Hacking/IT Incident | Network Server | Yes | |
| Uintah Basin Healthcare | UT | Healthcare Provider | 103974 | 05/10/2023 | Hacking/IT Incident | Network Server | No | |
| Brightline, Inc. | CA | Business Associate | 28975 | 05/10/2023 | Hacking/IT Incident | Other | Yes | |
| Smile Doctors of Arizona, P.C. d/b/a Grinz Orthodontics ("Grinz Orthodontics") | AZ | Healthcare Provider | 1034 | 05/09/2023 | Theft | Desktop Computer | No | |
| ASAS Health, LLC | TX | Healthcare Provider | 25527 | 05/06/2023 | Hacking/IT Incident | Desktop Computer, Laptop, Network Server | No | |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | CT | Health Plan | 1971 | 05/05/2023 | Unauthorized Access/Disclosure | Network Server | No | |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | CT | Health Plan | 26561 | 05/05/2023 | Hacking/IT Incident | Network Server | No | |
| Our Sunday Visitor, Inc. | IN | Health Plan | 965 | 05/05/2023 | Hacking/IT Incident | Network Server | No | |
| People Incorporated of Sequoyah County | OK | Healthcare Provider | 8725 | 05/05/2023 | Hacking/IT Incident | Network Server | No | |
| New Mexico Department of Health | NM | Healthcare Provider | 49000 | 05/04/2023 | Unauthorized Access/Disclosure | Other | No | |
| Methodist Family Health | AR | Healthcare Provider | 5259 | 05/03/2023 | Hacking/IT Incident | Network Server | No | |
| Northwest Health – La Porte | IN | Healthcare Provider | 10256 | 05/02/2023 | Unauthorized Access/Disclosure | Paper/Films | No | |
| Oyate Health Center | SD | Healthcare Provider | 575 | 05/02/2023 | Improper Disposal | Paper/Films | No | |
| Herbert J. Thomas Memorial Hospital Association dba Thomas Memorial Hospital | WV | Healthcare Provider | 2563 | 05/02/2023 | Hacking/IT Incident | Network Server | Yes | |
| University Urology | NY | Healthcare Provider | 56816 | 05/01/2023 | Hacking/IT Incident | Network Server | No | |
| Summit Eye & Optical | NJ | Healthcare Provider | 5727 | 05/01/2023 | Hacking/IT Incident | Network Server | No | |
| ReDiscover Mental Health | MO | Healthcare Provider | 877 | 05/01/2023 | Unauthorized Access/Disclosure | Email | No | |
| Brightside Health, Inc. | CA | Healthcare Provider | 767 | 04/30/2023 | Unauthorized Access/Disclosure | Electronic Medical Record, Other | No | |
| Link Audiology LLC | WA | Healthcare Provider | 7200 | 04/28/2023 | Hacking/IT Incident | Email | No | |
| HealthPlan Services, Inc. | FL | Business Associate | 9349 | 04/28/2023 | Hacking/IT Incident | Network Server | Yes | |
| Grohler Hearing Aid Center, INC DBA Beltone Hearing Aid Centers | VA | Healthcare Provider | 5272 | 04/28/2023 | Hacking/IT Incident | Email | No | |
| Allina Health | MN | Healthcare Provider | 1042 | 04/28/2023 | Unauthorized Access/Disclosure | Network Server | No | |
| Unlimited Care, Inc. | NY | Healthcare Provider | 8453 | 04/27/2023 | Hacking/IT Incident | Network Server | No | |
| Delphi Drug & Alcohol Council | NY | Healthcare Provider | 6288 | 04/27/2023 | Hacking/IT Incident | Email | No | |
| University of California, San Francisco | CA | Healthcare Provider | 676 | 04/26/2023 | Hacking/IT Incident | Email | No | |
| CounSol, LLC | FL | Business Associate | 4277 | 04/25/2023 | Unauthorized Access/Disclosure | Network Server | Yes | |
| Lake County Health Department and Community Health Center | IL | Healthcare Provider | 17000 | 04/25/2023 | Hacking/IT Incident | Email | No | |
| Mars Area School District | PA | Health Plan | 1270 | 04/24/2023 | Hacking/IT Incident | Network Server | No | |
| Robeson Health Care Corporation | NC | Healthcare Provider | 15045 | 04/21/2023 | Hacking/IT Incident | Network Server | No | |
| Brightline, Inc. | CA | Business Associate | 180694 | 04/20/2023 | Hacking/IT Incident | Network Server, Other | Yes | |
| Upper Peninsula Health Plan | MI | Health Plan | 833 | 04/20/2023 | Hacking/IT Incident | Network Server | Yes | |
| Modern Cardiology Associates | | Healthcare Provider | 10000 | 04/19/2023 | Hacking/IT Incident | Network Server | No | |
| Graceworks Lutheran Services | OH | Healthcare Provider | 6737 | 04/19/2023 | Hacking/IT Incident | Network Server | No | |
| Morgan Stanley | NY | Health Plan | 535 | 04/18/2023 | Unauthorized Access/Disclosure | Paper/Films | No | |
| Integrated Medical Services | AZ | Healthcare Provider | 6591 | 04/17/2023 | Unauthorized Access/Disclosure | Paper/Films | No | |
| Ethan Health, LLC | KY | Healthcare Provider | 4047 | 04/14/2023 | Hacking/IT Incident | Email | No | |
| MiniMed Distribution Corp. | CA | Healthcare Provider | 58374 | 04/14/2023 | Unauthorized Access/Disclosure | Network Server | No | |
| Dallas County | TX | Healthcare Provider | 501 | 04/14/2023 | Improper Disposal | Desktop Computer | No | |
| United Steelworkers Local 286 | PA | Health Plan | 37965 | 04/14/2023 | Hacking/IT Incident | Email | No | |
| Two Rivers Public Health Department | NE | Healthcare Provider | 15168 | 04/14/2023 | Hacking/IT Incident | Email | No | |
| Presence Healthcare Services dba Presence Medical Group | IL | Healthcare Provider | 921 | 04/14/2023 | Unauthorized Access/Disclosure | Paper/Films | No | |
| Henry County Hospital | OH | Healthcare Provider | 3689 | 04/14/2023 | Hacking/IT Incident | Network Server | Yes | |
| Brightline, Inc. | CA | Business Associate | 49968 | 04/13/2023 | Hacking/IT Incident | Network Server, Other | Yes | |