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
- 473 breaches reported to HHS
- Material incidents, US listed firms
- 23
- 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 sectorHealthcare748 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 disclosurePark Dental Partners, Inc.Hacking / intrusion · 7 Oct 2026 · SEC 8-K
2Trends
The last 24 months, dated when the incident happened where the source says, otherwise when it was reported.
- Hacking / intrusion793
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion793
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion793
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion77%
- Data breach (cause not stated)15%
- Unauthorised access or disclosure6%
- Ransomware1%
- Credential compilation (no single victim)0%
- Infostealer logs0%
- 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 | 681 | 60 | 2 | 4 | 1 | |
| Information | 25 | 3 | ||||
| Manufacturing | 20 | 1 | ||||
| Professional Services | 18 | 1 | ||||
| Retail | 17 | 1 | ||||
| Finance, Insurance & Real Estate | 6 | |||||
| Services | 5 | |||||
| Transportation | 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 (30 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 |
| Park Dental Partners, Inc. · Healthcare | 2 | 28 Aug 2026 – 7 Oct 2026 | Hacking / intrusion | SEC 8-K |
| 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 |
6All incidents
3,212 incidents match, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2025-02-28 | East Hawaii Rehab, Inc. DBA Lehua Physical Therapy and Rehab | Theft or loss | Healthcare | HI, US | 8,472 people | HHS |
| 2025-02-28 | Kronick Moskovitz Tiedemann & Girard | Hacking / intrusion | Healthcare | CA, US | 2,511 people | HHS |
| 2025-02-28 | Southeast Series of Lockton Companies, LLC (Lockton) | Hacking / intrusion | Healthcare | GA, US | 1.1M people | HHS |
| 2025-02-28 | Total Medical Imaging | Unauthorised access or disclosure | Healthcare | FL, US | 27k people | HHS |
| 2025-02-25 | Lake Washington Vascular | Hacking / intrusion | Healthcare | WA, US | 22k people | HHS |
| 2025-02-16 | Consultants in Pain Medicine | Hacking / intrusion | Healthcare | TX, US | 1,124 people | HHS |
| 2025-02-14 | Cornerstones of Care | Hacking / intrusion | Healthcare | MO, US | 2,771 people | HHS |
| 2025-02-14 | Restorix Health, Inc. | Unauthorised access or disclosure | Healthcare | LA, US | 39k people | HHS |
| 2025-02-14 | Spring Management OK, LLC | Hacking / intrusion | Healthcare | OK, US | 2,494 people | HHS |
| 2025-02-11 | UNITED BACKCARE PS dba Pacific Rehabilitation Centers | Hacking / intrusion | Healthcare | WA, US | 19k people | HHS |
| 2025-02-10 | CPS Solutions, LLC | Hacking / intrusion | Healthcare | OH, US | 500 people | HHS |
| 2025-02-03 | Escambia Community Clinics, Inc. dba Community Health Northwest Florida | Hacking / intrusion | Healthcare | FL, US | 144k people | HHS |
| 2025-02-02 | ARC Community Services, Inc. | Hacking / intrusion | Healthcare | WI, US | 501 people | HHS |
| 2025-01-31 | PIH Health, Inc. | Hacking / intrusion | Healthcare | CA, US | 2.9M people | HHS |
| 2025-01-24 | Spring River Mental Health & Wellness | Hacking / intrusion | Healthcare | KS, US | 3,250 people | HHS |
| 2025-01-22 | Inlet Health dba Communicare | Hacking / intrusion | Healthcare | KY, US | 3,771 people | HHS |
| 2025-01-20 | Holdrege Memorial Homes, Inc. | Hacking / intrusion | Healthcare | NE, US | 1,446 people | HHS |
| 2025-01-17 | Alpine Ears, Nose & Throat, P.L.L.C. | Unauthorised access or disclosure | Healthcare | CO, US | 66k people | HHS |
| 2025-01-17 | Behavioral Health Resources | Hacking / intrusion | Healthcare | WA, US | 49k people | HHS |
| 2025-01-16 | Community Treatment Solutions | Hacking / intrusion | Healthcare | NJ, US | 950 people | HHS |
| 2025-01-13 | Mid America Physician Services | Hacking / intrusion | Healthcare | KS, US | 105k people | HHS |
| 2025-01-10 | Samaritan Counseling Center of the Fox Valley | Hacking / intrusion | Healthcare | WI, US | 956 people | HHS |
| 2025-01-07 | Medusind Inc. | Hacking / intrusion | Healthcare | FL, US | 701k people | HHS |
| 2024-12-31 | Legacy Treatment Services, Inc. | Hacking / intrusion | Healthcare | NJ, US | 30k people | HHS |
| 2024-12-31 | Watsonville Community Hospital | Hacking / intrusion | Healthcare | CA, US | 30k people | HHS |
| 2024-12-30 | Omaha Surgical Center | Hacking / intrusion | Healthcare | NE, US | 1,110 people | HHS |
| 2024-12-27 | Dragonfly Health | Hacking / intrusion | Healthcare | AZ, US | 501 people | HHS |
| 2024-12-24 | Polaris Endeavors | Hacking / intrusion | Healthcare | FL, US | 4,552 people | HHS |
| 2024-12-22 | Khalil Foundation (DBA Khalil Center) | Unauthorised access or disclosure | Healthcare | IL, US | 1,153 people | HHS |
| 2024-12-20 | Effortless Office Enterprises, LLC | Hacking / intrusion | Healthcare | NV, US | 3,112 people | HHS |
| 2024-12-20 | HealthEquity, Inc. | Hacking / intrusion | Healthcare | UT, US | 1,549 people | HHS |
| 2024-12-11 | Community Connections | Hacking / intrusion | Healthcare | DC, US | 19k people | HHS |
| 2024-12-11 | River Region Cardiology | Hacking / intrusion | Healthcare | AL, US | 49k people | HHS |
| 2024-11-25 | Conceptions Reproductive Associates of Colorado | Hacking / intrusion | Healthcare | CO, US | 80k people | HHS |
| 2024-11-25 | Texas Tech University Health Sciences Center | Hacking / intrusion | Healthcare | TX, US | 650k people | HHS |
| 2024-11-25 | Texas Tech University Health Sciences Center El Paso | Hacking / intrusion | Healthcare | TX, US | 815k people | HHS |
| 2024-11-21 | East Central Missouri Behavioral Health Services, Inc. | Hacking / intrusion | Healthcare | MO, US | 20k people | HHS |
| 2024-11-20 | Laboratory Services Cooperative | Hacking / intrusion | Healthcare | WA, US | 501 people | HHS |
| 2024-11-18 | Terrace of Hialeah | Hacking / intrusion | Healthcare | FL, US | 1,177 people | HHS |
| 2024-11-15 | ASPEN HEALTHCARE SERVICES INC | Hacking / intrusion | Healthcare | TX, US | 7,195 people | HHS |
| 2024-11-15 | ESHA, Inc. | Hacking / intrusion | Healthcare | TX, US | 77k people | HHS |
| 2024-11-13 | Rocky Mountain Gastroenterology Associates PLLC | Hacking / intrusion | Healthcare | CO, US | 366k people | HHS |
| 2024-11-12 | Radiologic Medical Services, P.C. | Hacking / intrusion | Healthcare | IA, US | 57k people | HHS |
| 2024-11-11 | Humboldt Independent Practice Association (Humboldt IPA) | Hacking / intrusion | Healthcare | CA, US | 26k people | HHS |
| 2024-11-08 | Huron Inc. Health Plan | Unauthorised access or disclosure | Healthcare | MI, US | 750 people | HHS |
| 2024-11-07 | Great Plains Regional Medical Center | Hacking / intrusion | Healthcare | OK, US | 133k people | HHS |
| 2024-11-01 | Brain & Eye Connection Vision Clinic, PC | Hacking / intrusion | Healthcare | OK, US | 2,207 people | HHS |
| 2024-11-01 | Northeast Professional Home Care, Inc. | Hacking / intrusion | Healthcare | OH, US | 648 people | HHS |
| 2024-10-24 | Gandara Mental Health Center | Hacking / intrusion | Healthcare | MA, US | 20k people | HHS |
| 2024-10-18 | Advanced Recovery Equipment & Supplies, LLC | Hacking / intrusion | Healthcare | NY, US | 56k 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 2026-10-14 04:25 UTC.