Breaches & incidents
The victims' side of the threat pictureWho is being attacked
Data breaches and cyber incidents made public — reported to regulators, disclosed by the companies themselves, or catalogued after a leak. Who was hit, when, how, and how many people or accounts were affected.
- Incidents disclosed
- 613
- last 12 months, every source
- People in US health breaches
- 70.4M
- 474 breaches reported to HHS
- Material incidents, US listed firms
- 22
- SEC 8-K Item 1.05, 12 months
- Accounts in new breach records
- 521.9M
- 125 breaches added to HIBP
Coverage. Mostly the United States: the cleanest public records of named victims come from US regulators. Ransomware victims worldwide, India included, are on the ransomware victims page. Every count is a lower bound — only disclosed incidents appear.
1Key findings
- Most common attackHacking / intrusion78% of named-victim incidents in the last 24 months
- Most targeted sectorHealthcare747 incidents in the last 24 months
- Most people affectedConduent Business Services LLC62.2M people · 8 Oct 2025
- Most accounts exposed1win96.2M accounts · 2 Nov 2024
- Named most oftenFieldtex Products, Inc.in 5 disclosures, 20 Nov 2025 – 12 Dec 2025
- Latest disclosureDouble CounterData breach (cause not stated) · 4 Oct 2026 · HIBP
2Trends
The last 24 months, dated when the incident happened where the source says, otherwise when it was reported.
- Hacking / intrusion792
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion792
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion792
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion77%
- Data breach (cause not stated)15%
- Unauthorised access or disclosure6%
- Ransomware1%
- Infostealer logs0%
- Credential compilation (no single victim)0%
- Theft or loss0%
- Error / misconfiguration0%
3Sectors
Who the incidents hit, where the source names a sector, and how each sector was attacked.
- In healthcare, 91% of incidents were hacking / intrusion.
| Hacking / intrusion | Data breach (cause not stated) | Unauthorised access or disclosure | Ransomware | Theft or loss | Error / misconfiguration | |
|---|---|---|---|---|---|---|
| Healthcare | 680 | 60 | 2 | 4 | 1 | |
| Information | 25 | 3 | ||||
| Manufacturing | 20 | 1 | ||||
| Professional Services | 18 | 1 | ||||
| Retail | 17 | 1 | ||||
| Finance, Insurance & Real Estate | 6 | |||||
| Services | 5 | |||||
| Technology | 4 |
4Largest incidents
The last 24 months. People and accounts are counted apart: an account list can hold one person many times. Credential compilations, which name no victim, are left out.
- 1Conduent Business Services LLC62.2M people
- 2DentaQuest, LLC15.0M people
- 3Aflac Incorporated (“Aflac”)13.9M people
- 4Aesto, LLC9.5M people
- 5Episource, LLC6.7M people
- 6AdaptHealth, LLC4.1M people
- 7Unlimited Technology Systems, LLC3.8M people
- 8CareCloud, Inc.3.8M people
- 11win96.2M accounts
- 2Under Armour72.7M accounts
- 3Suno55.3M accounts
- 4Canadian Tire38.3M accounts
- 5Addi34.5M accounts
- 6SoundCloud29.8M accounts
- 7Speedio27.5M accounts
- 8Paidwork23.3M accounts
5Hit more than once
Organisations named in more than one disclosure in the last 5 years (29 in all). That can be separate attacks, or one incident reported to more than one place — a regulator and investors, or on behalf of several clients.
| Organisation | Disclosures | First – latest | Types of attack | Sources |
|---|---|---|---|---|
| Fieldtex Products, Inc. · Healthcare | 5 | 20 Nov 2025 – 12 Dec 2025 | Hacking / intrusion | HHS |
| AltaMed Health Services Corporation · Healthcare | 3 | 1 Jun 2023 – 26 Feb 2026 | Hacking / intrusionRansomwareUnauthorised access or disclosure | HHS, VCDB |
| United Healthcare Student Resources · Finance & Insurance | 3 | 1 Jun 2023 – 1 Jun 2023 | Ransomware | VCDB |
| DentaQuest, LLC · Healthcare | 2 | 23 May 2026 – 16 Jul 2026 | Data breach (cause not stated)Hacking / intrusion | HHS, HIBP |
| CarMax · Retail | 2 | 2 May 2025 – 24 Jan 2026 | Data breach (cause not stated)Hacking / intrusion | HIBP, VCDB |
| WindRose Health Network · Healthcare | 2 | 27 Jan 2026 – 16 Sept 2026 | Hacking / intrusion | HHS |
| AdaptHealth, LLC · Healthcare | 2 | 27 Jun 2026 – 14 Aug 2026 | Hacking / intrusion | HHS, SEC 8-K |
| CareCloud, Inc. · Healthcare | 2 | 24 Mar 2026 – 24 Jul 2026 | Hacking / intrusion | HHS, SEC 8-K |
| Clinical Registry Solutions · Healthcare | 2 | 9 Apr 2026 – 12 Jun 2026 | Hacking / intrusion | HHS, VCDB |
| Open Arms Care Corporation · Healthcare | 2 | 1 Jun 2025 – 11 Jun 2026 | Hacking / intrusion | HHS, VCDB |
| Gastro Health · Healthcare | 2 | 22 May 2026 – 22 May 2026 | Hacking / intrusion | HHS |
| Radiology Associates of Richmond · Healthcare | 2 | 1 Jul 2025 – 21 May 2026 | Hacking / intrusion | HHS |
6All incidents
3,211 incidents match, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2026-03-18 | Stockton Cardiology Medical Group | Hacking / intrusion | Healthcare | CA, US | 90k people | HHS |
| 2026-03-18 | The South Alabama Regional Planning Commission | Hacking / intrusion | Healthcare | AL, US | 3,043 people | HHS |
| 2026-03-17 | OpenLoop Health, Inc. | Hacking / intrusion | Healthcare | IA, US | 716k people | HHS |
| 2026-03-16 | Good Samaritan Health Center | Hacking / intrusion | Healthcare | GA, US | 10k people | HHS |
| 2026-03-16 | Renovo Chiropractic & Wellness | Theft or loss | Healthcare | WA, US | 538 people | HHS |
| 2026-03-14 | UPMC | Unauthorised access or disclosure | Healthcare | PA, US | 687 people | HHS |
| 2026-03-13 | Bloom Circle, Inc. d/b/a Lena Health | Hacking / intrusion | Healthcare | TX, US | 3,651 people | HHS |
| 2026-03-13 | Georgia Vascual Specialists PC | Hacking / intrusion | Healthcare | GA, US | 600 people | HHS |
| 2026-03-13 | MedPeds Associates of Sarasota | Hacking / intrusion | Healthcare | FL, US | 22k people | HHS |
| 2026-03-13 | Trinity Health | Unauthorised access or disclosure | Healthcare | MI, US | 2,740 people | HHS |
| 2026-03-12 | East Carolina Anesthesia Associates | Hacking / intrusion | Healthcare | NC, US | 19k people | HHS |
| 2026-03-10 | Delta Medical Systems | Hacking / intrusion | Healthcare | WI, US | 1,574 people | HHS |
| 2026-03-10 | illumifin Corporation | Hacking / intrusion | Healthcare | MN, US | 5,385 people | HHS |
| 2026-03-09 | Community Health Action of Staten Island | Hacking / intrusion | Healthcare | NY, US | 501 people | HHS |
| 2026-03-08 | Tampa Bay Dental Implants & Periodontics | Hacking / intrusion | Healthcare | FL, US | 6,400 people | HHS |
| 2026-03-06 | Barrio Comprehensive Family Health Care Center | Hacking / intrusion | Healthcare | TX, US | 20k people | HHS |
| 2026-03-06 | Cedar Valley Hospice | Hacking / intrusion | Healthcare | IA, US | 11k people | HHS |
| 2026-03-06 | County of Murray dba Murray County Medical Center | Hacking / intrusion | Healthcare | MN, US | 5,073 people | HHS |
| 2026-03-06 | Exclusive Physicians PLLC | Hacking / intrusion | Healthcare | MI, US | 58k people | HHS |
| 2026-03-06 | North Texas Behavioral Health Authority | Hacking / intrusion | Healthcare | TX, US | 285k people | HHS |
| 2026-03-06 | Saint Anthony Hospital | Hacking / intrusion | Healthcare | IL, US | 146k people | HHS |
| 2026-03-05 | Tieu Dental Corporation | Hacking / intrusion | Healthcare | CA, US | 8,918 people | HHS |
| 2026-03-02 | Houston Dermatology Specialists | Hacking / intrusion | Healthcare | TX, US | 648 people | HHS |
| 2026-03-02 | Kin Counseling Services PLLC | Hacking / intrusion | Healthcare | CO, US | 500 people | HHS |
| 2026-02-28 | Access Information Management Shared Services, LLC | Hacking / intrusion | Healthcare | MA, US | 1,522 people | HHS |
| 2026-02-27 | IPPC Inc., IPPC of New York LLC, and Innovative Pharmacy LLC (collectively “IPPC”) | Hacking / intrusion | Healthcare | NJ, US | 134k people | HHS |
| 2026-02-27 | Lakeside Pediatrics & Adolescent Medicine, PLLC | Hacking / intrusion | Healthcare | ID, US | 34k people | HHS |
| 2026-02-27 | Nephrology Associates Medical Group, Inc | Hacking / intrusion | Healthcare | CA, US | 4,631 people | HHS |
| 2026-02-26 | AltaMed Health Services Corporation | Hacking / intrusion | Healthcare | CA, US | 501 people | HHS |
| 2026-02-26 | BMG of Kansas, Inc. | Hacking / intrusion | Healthcare | KS, US | 1,327 people | HHS |
| 2026-02-26 | Manhattan Retirement Foundation d/b/a Meadowlark Hills | Hacking / intrusion | Healthcare | KS, US | 14k people | HHS |
| 2026-02-26 | Orthopaedic Specialists of Massachusetts, PC | Hacking / intrusion | Healthcare | MA, US | 21k people | HHS |
| 2026-02-24 | Couve Healthcare Consulting, LLC DBA Evergreen Healthcare Group | Hacking / intrusion | Healthcare | WA, US | 12k people | HHS |
| 2026-02-22 | Lifepoint Health, Inc. | Hacking / intrusion | Healthcare | TN, US | — | VCDB |
| 2026-02-22 | QualDerm Partners, LLC | Hacking / intrusion | Healthcare | TN, US | 3.0M people | HHS |
| 2026-02-20 | Option Care Health, Inc. | Hacking / intrusion | Healthcare | IL, US | 2,086 people | HHS |
| 2026-02-20 | Perseus House, Inc. | Hacking / intrusion | Healthcare | PA, US | 969 people | HHS |
| 2026-02-20 | The Center for Advanced Eye Care | Hacking / intrusion | Healthcare | ME, US | 9,300 people | HHS |
| 2026-02-18 | Builders FirstSource Flex Plan | Hacking / intrusion | Healthcare | TX, US | 1,514 people | HHS |
| 2026-02-18 | VNS Behavioral Health Inc. (“VNS Health”) | Hacking / intrusion | Healthcare | NY, US | 739 people | HHS |
| 2026-02-17 | Emanuel Medical Center | Hacking / intrusion | Healthcare | GA, US | 29k people | HHS |
| 2026-02-16 | 44North | Hacking / intrusion | Healthcare | MI, US | 2,158 people | HHS |
| 2026-02-16 | Easterseals Northeast Indiana | Hacking / intrusion | Healthcare | IN, US | 3,158 people | HHS |
| 2026-02-14 | Wee Care Pediatrics, LLC | Hacking / intrusion | Healthcare | UT, US | 2,127 people | HHS |
| 2026-02-13 | Academic Urology & Urogynecology of Arizona | Hacking / intrusion | Healthcare | AZ, US | 73k people | HHS |
| 2026-02-13 | Cedar Valley Services | Hacking / intrusion | Healthcare | MN, US | 501 people | HHS |
| 2026-02-13 | National Association on Drug Abuse Problems | Hacking / intrusion | Healthcare | NY, US | 90k people | HHS |
| 2026-02-13 | Resource Corporation of America | Hacking / intrusion | Healthcare | TX, US | 501 people | HHS |
| 2026-02-13 | VPS Medical PLLC | Hacking / intrusion | Healthcare | PA, US | 4,600 people | HHS |
| 2026-02-12 | Cedar Point Health, LLC | Hacking / intrusion | Healthcare | CO, US | 23k people | HHS |
Sources: US HHS breach portal, SEC EDGAR, Have I Been Pwned (CC BY 4.0) and the VERIS Community Database (CC BY-SA 4.0). Updated 2026-10-13 20:54 UTC.