CT · HHS OCR reports
HIPAA breaches in Connecticut
HIPAA breaches affecting 500 or more individuals reported to HHS OCR by covered entities listed in Connecticut.
Reports
146
Individuals affected
11,380,761
Under investigation
8
Top type: Hacking/IT Incident
State breach notification law
Conn. Gen. Stat. § 36a-701b (Banking Law of Connecticut - Breach of Security re Computerized Data) (amended 2023)
Timing: 60 days Connecticut requires businesses/persons to notify affected residents without unreasonable delay
Read the Connecticut data breach notification law summaryAll reports, newest first
Page 1 of 3. 146 reports.
| Covered entity | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|
| Comprehensive Orthopedics & Musculoskeletal Care, LLC | Healthcare Provider | 21,897 | Sep 10, 2026 | Hacking/IT Incident | Under investigation |
| Connecticut Department of Social Services | Health Plan | 41,000 | Aug 21, 2026 | Hacking/IT Incident | Archive (closed) |
| The Connecticut Institute for the Blind Inc. d/b/a Oak Hill | Healthcare Provider | 1,556 | Jul 1, 2026 | Hacking/IT Incident | Under investigation |
| UnitedHealth Care Services, Inc. Single Affiliated Covered Entity | Health Plan | 37,384 | Jun 19, 2026 | Hacking/IT Incident | Archive (closed) |
| UnitedHealth Care Services, Inc. Single Affiliated Covered Entity | Health Plan | 34,574 | Jun 5, 2026 | Hacking/IT Incident | Under investigation |
| Waveny LifeCare Network, Inc. | Healthcare Provider | 27,113 | Jun 2, 2026 | Hacking/IT Incident | Under investigation |
| Connecticut Department of Social Services | Health Plan | 22,500 | May 21, 2026 | Hacking/IT Incident | Archive (closed) |
| Aetna | Business Associate | 10,888 | Feb 27, 2026 | Unauthorized Access/Disclosure | Archive (closed) |
| Aetna | Business Associate | 775 | Feb 27, 2026 | Unauthorized Access/Disclosure | Archive (closed) |
| Precipio, Inc. | Healthcare Provider | 22,739 | Jan 23, 2026 | Hacking/IT Incident | Under investigation |
| TapestryHealth | Healthcare Provider | 6,494 | Dec 22, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Synergy Advanced Healthcare LLC | Healthcare Provider | 1,260 | Nov 4, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Children's Center of Hamden | Healthcare Provider | 5,213 | Aug 28, 2025 | Hacking/IT Incident | Archive (closed) |
| UnitedHealthcare | Health Plan | 3,215 | Aug 12, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Cierant Corporation | Business Associate | 232,506 | Jul 3, 2025 | Hacking/IT Incident | Under investigation |
| Southern Connecticut Vascular Center, LLC | Healthcare Provider | 154,417 | Jun 9, 2025 | Hacking/IT Incident | Archive (closed) |
| Orthopaedic Specialists of Connecticut | Healthcare Provider | 22,541 | Apr 23, 2025 | Hacking/IT Incident | Under investigation |
| Yale New Haven Health System | Healthcare Provider | 5,556,702 | Apr 11, 2025 | Hacking/IT Incident | Archive (closed) |
| Family Centers, Inc. | Healthcare Provider | 12,142 | Mar 31, 2025 | Hacking/IT Incident | Archive (closed) |
| Vernon Rehabilitation and Healthcare Center | Healthcare Provider | 5,416 | Mar 3, 2025 | Hacking/IT Incident | Archive (closed) |
| Manchester Rehabilitation and Healthcare Center | Healthcare Provider | 5,415 | Mar 3, 2025 | Hacking/IT Incident | Under investigation |
| Gaylord Hospital, Inc | Healthcare Provider | 62,232 | Feb 28, 2025 | Hacking/IT Incident | Archive (closed) |
| Community Health Center, Inc. | Healthcare Provider | 1,060,936 | Jan 30, 2025 | Hacking/IT Incident | Archive (closed) |
| Aetna ACE | Health Plan | 1,317 | Dec 20, 2024 | Unauthorized Access/Disclosure | Archive (closed) |
| Orthopedics Rhode Island, Inc. | Healthcare Provider | 377,731 | Nov 6, 2024 | Hacking/IT Incident | Archive (closed) |
| United Way of Connecticut, Inc. | Business Associate | 8,039 | Sep 3, 2024 | Hacking/IT Incident | Archive (closed) |
| Connecticut GI, PLLC | Healthcare Provider | 46,354 | Aug 19, 2024 | Hacking/IT Incident | Archive (closed) |
| University of Connecticut Health Center Finance Corporation | Healthcare Provider | 1,123 | Aug 13, 2024 | Hacking/IT Incident | Archive (closed) |
| IBEW LOCAL 236 WELFARE FUND | Health Plan | 3,217 | Jun 11, 2024 | Hacking/IT Incident | Archive (closed) |
| Best Health Physical Therapy, LLC | Healthcare Provider | 3,764 | Jun 6, 2024 | Hacking/IT Incident | Archive (closed) |
| The Kennedy Collective | Healthcare Provider | 851 | May 7, 2024 | Hacking/IT Incident | Archive (closed) |
| Aetna ACE | Health Plan | 9,191 | May 3, 2024 | Hacking/IT Incident | Archive (closed) |
| UnitedHealthcare Insurance Company | Business Associate | 16,665 | May 1, 2024 | Unauthorized Access/Disclosure | Archive (closed) |
| OrthoConnecticut PLLC | Healthcare Provider | 178,742 | Apr 26, 2024 | Hacking/IT Incident | Archive (closed) |
| Tobin, Carberry, O'Malley, Riley & Selinger, P.C. | Business Associate | 47,106 | Apr 17, 2024 | Hacking/IT Incident | Archive (closed) |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | Health Plan | 4,264 | Dec 8, 2023 | Hacking/IT Incident | Archive (closed) |
| Waterford Country School | Healthcare Provider | 6,211 | Dec 5, 2023 | Hacking/IT Incident | Archive (closed) |
| Inline Plastics Corp. | Health Plan | 4,853 | Nov 27, 2023 | Hacking/IT Incident | Archive (closed) |
| Saisystems International, Inc. | Business Associate | 10,063 | Nov 22, 2023 | Hacking/IT Incident | Archive (closed) |
| Atlas Healthcare Group | Healthcare Provider | 10,831 | Oct 13, 2023 | Hacking/IT Incident | Archive (closed) |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | Health Plan | 315,915 | Sep 7, 2023 | Unauthorized Access/Disclosure | Archive (closed) |
| Ryders Health Management LLC | Healthcare Provider | 7,252 | Sep 7, 2023 | Hacking/IT Incident | Archive (closed) |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | Health Plan | 527 | Aug 17, 2023 | Hacking/IT Incident | Archive (closed) |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | Health Plan | 398,319 | Jul 28, 2023 | Hacking/IT Incident | Archive (closed) |
| Eastern Connecticut Health Network | Healthcare Provider | 912 | Jul 2, 2023 | Unauthorized Access/Disclosure | Archive (closed) |
| Valley Orthopaedic Specialists | Healthcare Provider | 5,062 | May 26, 2023 | Hacking/IT Incident | Archive (closed) |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | Health Plan | 1,116 | May 12, 2023 | Unauthorized Access/Disclosure | Archive (closed) |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | Health Plan | 26,561 | May 5, 2023 | Hacking/IT Incident | Archive (closed) |
| United Healthcare Services, Inc. Single Affiliated Covered Entity | Health Plan | 1,971 | May 5, 2023 | Unauthorized Access/Disclosure | Archive (closed) |
| Merritt Healthcare Advisors | Business Associate | 88,740 | Mar 15, 2023 | Hacking/IT Incident | Archive (closed) |
Source: HHS OCR Breach Portal, OCR export October 2026.