| MedStar Health, Inc. | MD | Healthcare Provider | 183079 | 05/03/2024 | Hacking/IT Incident | Email | No | |
| AMERICAN RENAL MANAGEMENT | TN | Business Associate | 501 | 04/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Inland Physicians Billing Services | CA | Healthcare Clearing House | 77434 | 04/27/2024 | Hacking/IT Incident | Network Server | No | |
| OrthoConnecticut PLLC | CT | Healthcare Provider | 118141 | 04/26/2024 | Hacking/IT Incident | Network Server | No | |
| Bay Oral Surgery & Implant Center | WI | Healthcare Provider | 13055 | 04/26/2024 | Hacking/IT Incident | Email | No | |
| Empath-Stratum Inc. doing business as Empath Health | FL | Healthcare Provider | 5545 | 04/25/2024 | Hacking/IT Incident | Email | No | |
| Therapeutic Health Services | WA | Healthcare Provider | 501 | 04/25/2024 | Hacking/IT Incident | Network Server | No | |
| County of Los Angeles Department of Health Services | CA | Healthcare Provider | 6085 | 04/25/2024 | Hacking/IT Incident | Email | No | |
| Blackstone Valley Community Health Care | RI | Healthcare Provider | 34518 | 04/22/2024 | Hacking/IT Incident | Network Server | No | |
| The Georgia Institute for Plastic Surgery | GA | Healthcare Provider | 8111 | 04/22/2024 | Hacking/IT Incident | Network Server | No | |
| Health First Urgent Care PLLC | WA | Healthcare Provider | 4538 | 04/22/2024 | Unauthorized Access/Disclosure | Email | No | |
| The Prudential Insurance Company of America | NJ | Health Plan | 36092 | 04/22/2024 | Hacking/IT Incident | Network Server | No | |
| Bluebonnet Trails Community Services | TX | Healthcare Provider | 76165 | 04/22/2024 | Hacking/IT Incident | Email | No | |
| Advarra, Inc. | MD | Business Associate | 596 | 04/19/2024 | Hacking/IT Incident | Network Server | Yes | |
| Bridgeway Center, Inc. | FL | Healthcare Provider | 36353 | 04/19/2024 | Hacking/IT Incident | Network Server | No | |
| Green Diamond Resource Company | WA | Health Plan | 8172 | 04/19/2024 | Hacking/IT Incident | Network Server | No | |
| Hospice of the Bluegrass, Inc. dba Bluegrass Care Navigators | KY | Healthcare Provider | 2282 | 04/17/2024 | Hacking/IT Incident | Email | No | |
| Orthopedic and Fracture Clinic dba West Idaho Orthopedics and Sports Medicine | ID | Healthcare Provider | 5000 | 04/17/2024 | Hacking/IT Incident | Network Server | No | |
| Philips Respironics | PA | Business Associate | 1338 | 04/16/2024 | Hacking/IT Incident | Network Server | Yes | |
| Philips Respironics | PA | Business Associate | 7539 | 04/16/2024 | Hacking/IT Incident | Network Server | Yes | |
| Philips Respironics | PA | Business Associate | 5576 | 04/16/2024 | Hacking/IT Incident | Network Server | Yes | |
| Moveable Feast, Inc. | MD | Healthcare Provider | 568 | 04/16/2024 | Improper Disposal | Paper/Films | No | |
| MHNU Corporation d/b/a Medical Home Network | IL | Business Associate | 681 | 04/16/2024 | Hacking/IT Incident | Email | Yes | |
| Dental Health Services | CA | Health Plan | 4562 | 04/16/2024 | Unauthorized Access/Disclosure | Email | No | |
| Dental Health Services, Inc | WA | Health Plan | 1778 | 04/16/2024 | Unauthorized Access/Disclosure | Email | No | |
| Somerset Dental Las Vegas | NV | Healthcare Provider | 11321 | 04/16/2024 | Hacking/IT Incident | Network Server | No | |
| Catholic Medical Center | NH | Healthcare Provider | 2792 | 04/15/2024 | Hacking/IT Incident | Email | Yes | |
| Kaiser Foundation Health Plan, Inc. | CA | Health Plan | 13400000 | 04/12/2024 | Unauthorized Access/Disclosure | Network Server | No | |
| Rebound Orthopedics & Neurosurgery | WA | Healthcare Provider | 500 | 04/10/2024 | Hacking/IT Incident | Network Server | No | |
| American Healthcare Systems LLC dba Randolph Health | NC | Healthcare Provider | 899 | 04/10/2024 | Hacking/IT Incident | Email | No | |
| The Epilepsy Foundation of Metro New York | NY | Healthcare Provider | 3852 | 04/08/2024 | Hacking/IT Incident | Network Server | No | |
| Knowles Smith & Associates, d/b/a Village Family Dental | NC | Healthcare Provider | 240214 | 04/08/2024 | Hacking/IT Incident | Network Server | No | |
| Group Health Cooperative of South Central Wisconsin | WI | Health Plan | 533809 | 04/08/2024 | Hacking/IT Incident | Network Server | No | |
| Island Ambulatory Surgery Center, LLC | NY | Healthcare Provider | 7900 | 04/05/2024 | Hacking/IT Incident | Network Server | No | |
| Sleep Management Institute | OH | Healthcare Provider | 500 | 04/05/2024 | Hacking/IT Incident | Network Server | No | |
| Gaia Software, LLC | CO | Business Associate | 56676 | 04/05/2024 | Hacking/IT Incident | Network Server | Yes | |
| BlueCross BlueShield of Tennessee, Inc. | TN | Business Associate | 550 | 04/05/2024 | Unauthorized Access/Disclosure | Other | Yes | |
| Jackson Medical Center, LLC | AL | Healthcare Provider | 509 | 04/05/2024 | Hacking/IT Incident | Network Server | No | |
| ZSFG Hospital and Trauma Center | CA | Healthcare Provider | 755 | 04/04/2024 | Loss | Paper/Films | No | |
| Politzer and Durocher, PLC d/b/a Optometric Physicians of Middle Tennessee | TN | Healthcare Provider | 29000 | 04/04/2024 | Hacking/IT Incident | Network Server | No | |
| Cattaraugus-Allegany Board of Cooperative Education Services | NY | Business Associate | 15203 | 04/04/2024 | Hacking/IT Incident | Network Server | Yes | |
| UNC Hospitals | NC | Healthcare Provider | 3142 | 04/02/2024 | Hacking/IT Incident | Email | No | |
| Advanced Care Hospital of Montana | MT | Healthcare Provider | 2331 | 04/02/2024 | Hacking/IT Incident | Network Server | Yes | |
| Continuum Health Alliance, LLC | NJ | Business Associate | 1328 | 04/01/2024 | Hacking/IT Incident | Network Server | Yes | |
| Rutgers Robert Wood Johnson Medical School | NJ | Healthcare Provider | 543 | 04/01/2024 | Unauthorized Access/Disclosure | Email | No | |
| University of Tennessee Health Science Center | TN | Healthcare Provider | 19353 | 04/01/2024 | Hacking/IT Incident | Network Server | Yes | |
| Otolaryngology Associates, LLC | IN | Healthcare Provider | 316802 | 04/01/2024 | Hacking/IT Incident | Network Server | No | |
| Northern Virginia Oral, Maxillofacial & Implant Surgery | VA | Healthcare Provider | 4333 | 03/29/2024 | Hacking/IT Incident | Network Server | No | |
| PRATT MRI LLC | KS | Business Associate | 4265 | 03/29/2024 | Loss | Other Portable Electronic Device | Yes | |
| South Texas Rehabilitation Hospital | TX | Healthcare Provider | 4130 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Rehabilitation Hospital of Northern Indiana | IN | Healthcare Provider | 1643 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Rehabilitation Hospital of Northern Arizona | AZ | Healthcare Provider | 3287 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Mesquite Rehabilitation Institute | TX | Healthcare Provider | 3317 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Northern Utah Rehabilitation Hospital | UT | Healthcare Provider | 3477 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Northern Idaho Advanced Care Hospital | ID | Healthcare Provider | 5606 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| County of Los Angeles Department of Health Services - Olive View-UCLA Medical Center | CA | Healthcare Provider | 3716 | 03/29/2024 | Theft | Paper/Films | No | |
| Mesquite Specialty Hospital | TX | Healthcare Provider | 1244 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Baylor College of Medicine | TX | Healthcare Provider | 801 | 03/29/2024 | Unauthorized Access/Disclosure | Laptop | Yes | |
| Laredo Specialty Hospital | TX | Healthcare Provider | 1242 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Laredo Rehabilitation Hospital | TX | Healthcare Provider | 1785 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Elkhorn Valley Rehabilitation Hospital | WY | Healthcare Provider | 3636 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Spartanburg Rehabilitation Institute | SC | Healthcare Provider | 4506 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Weslaco Regional Rehabilitation Hospital | TX | Healthcare Provider | 2781 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Utah Valley Rehabilitation Hospital | UT | Healthcare Provider | 1642 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Trustpoint Rehabilitation Hospital of Lubbock | TX | Healthcare Provider | 9014 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Denver Regional Rehabilitation Hospital | CO | Healthcare Provider | 848 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Summa Rehabilitation Hospital | OH | Healthcare Provider | 2986 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Bloomington Regional Rehabilitation Hospital | IN | Healthcare Provider | 1191 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Rehabilitation Hospital of the Northwest | ID | Healthcare Provider | 3821 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Rehabilitation Hospital of Southern New Mexico | NM | Healthcare Provider | 5466 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Bakersfield Rehabilitation Hospital | CA | Healthcare Provider | 852 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Rehabilitation Hospital of Southern California | CA | Healthcare Provider | 925 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Rehabilitation Hospital of Northwest Ohio | OH | Healthcare Provider | 3671 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Northern Colorado Rehabilitation Hospital | CO | Healthcare Provider | 885 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Northern Colorado Long Term Acute Hospital | CO | Healthcare Provider | 4335 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| New Braunfels Regional Rehabilitation Hospital | TX | Healthcare Provider | 5384 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Mountain Valley Regional Rehabilitation Hospital | AZ | Healthcare Provider | 5963 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Advanced Care Hospital of Southern New Mexico | NM | Healthcare Provider | 1162 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Midlands Regional Rehabilitation Hospital | SC | Healthcare Provider | 2018 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Lafayette Regional Rehabilitation Hospital | IN | Healthcare Provider | 2861 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Greenwood Regional Rehabilitation Hospital | SC | Healthcare Provider | 5823 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Corpus Christi Rehabilitation Hospital | TX | Healthcare Provider | 3581 | 03/29/2024 | Hacking/IT Incident | Network Server | Yes | |
| Highmark | PA | Health Plan | 5356 | 03/29/2024 | Unauthorized Access/Disclosure | Paper/Films | No | |
| Florida Pediatric Associates, LLC | FL | Healthcare Provider | 1104 | 03/28/2024 | Hacking/IT Incident | Network Server | Yes | |
| Strive Holdco, LLC | TX | Healthcare Provider | 501 | 03/28/2024 | Unauthorized Access/Disclosure | Network Server | No | |
| Risas Dental & Braces | PA | Healthcare Provider | 618189 | 03/28/2024 | Hacking/IT Incident | Network Server | No | |
| UT Southwestern Medical Center | TX | Healthcare Provider | 1956 | 03/27/2024 | Unauthorized Access/Disclosure | Network Server | No | |
| Washington County Department of Human Services | PA | Healthcare Provider | 501 | 03/26/2024 | Hacking/IT Incident | Network Server | No | |
| Baytown Medical Center, L.P. | TX | Healthcare Provider | 1500 | 03/25/2024 | Unauthorized Access/Disclosure | Network Server | No | |
| Pembina County Memorial Hospital | ND | Healthcare Provider | 23811 | 03/25/2024 | Hacking/IT Incident | Network Server | No | |
| Family Health Center | MI | Healthcare Provider | 33240 | 03/24/2024 | Hacking/IT Incident | Network Server | No | |
| Robert Peterson DD.S. PC | OR | Healthcare Provider | 6500 | 03/23/2024 | Theft | Paper/Films | No | |
| Designed Receivable Solutions, Inc. | CA | Business Associate | 129584 | 03/23/2024 | Hacking/IT Incident | Network Server | Yes | |
| Human Development Services of Westchester, Inc. | NY | Healthcare Provider | 506 | 03/23/2024 | Hacking/IT Incident | Email | No | |
| Mary H. Makhlouf, DMD, MS, PA | NC | Healthcare Provider | 1797 | 03/22/2024 | Hacking/IT Incident | Network Server | No | |
| Ethos, also known as Southwest Boston Senior Services | MA | Business Associate | 14503 | 03/22/2024 | Hacking/IT Incident | Network Server | Yes | |
| Emergency Medical Services Authority | OK | Healthcare Provider | 611743 | 03/22/2024 | Hacking/IT Incident | Network Server | No | |
| County of Los Angeles Department of Mental Health | CA | Healthcare Provider | 1408 | 03/22/2024 | Hacking/IT Incident | Email | No | |
| Lakewood Medical Center, PC | CO | Healthcare Provider | 2500 | 03/21/2024 | Hacking/IT Incident | Network Server | No | |
| M&D Capital Premier Billing LLC | NY | Business Associate | 284326 | 03/21/2024 | Hacking/IT Incident | Network Server | Yes | |