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 |
|---|---|---|---|---|---|---|
| 2025-08-09 | Mission City Community Network, Inc. | Hacking / intrusion | Healthcare | CA, US | 11k people | HHS |
| 2025-08-08 | Aflac Incorporated (“Aflac”) | Hacking / intrusion | Healthcare | GA, US | 13.9M people | HHS |
| 2025-08-08 | Center for Disability Services, Inc. | Hacking / intrusion | Healthcare | NY, US | 3,343 people | HHS |
| 2025-08-05 | Oglethorpe, Inc. | Hacking / intrusion | Healthcare | FL, US | 92k people | HHS |
| 2025-08-05 | South Coast Pediatrics | Hacking / intrusion | Healthcare | CA, US | 7,000 people | HHS |
| 2025-08-04 | MDLand International Corporation | Hacking / intrusion | Healthcare | NY, US | 23k people | HHS |
| 2025-08-04 | Westminster Village Greenwood, Inc. | Hacking / intrusion | Healthcare | IN, US | 14k people | HHS |
| 2025-08-01 | DaVita Inc. | Hacking / intrusion | Healthcare | CO, US | 2.7M people | HHS |
| 2025-08-01 | Highlands Oncology Group PA | Hacking / intrusion | Healthcare | AR, US | 112k people | HHS |
| 2025-08-01 | Langdon & Company, LLP Certified Public Accountants | Hacking / intrusion | Healthcare | NC, US | 46k people | HHS |
| 2025-07-31 | Vail Summit Orthopaedics | Hacking / intrusion | Healthcare | CO, US | 5,044 people | HHS |
| 2025-07-29 | Compass Counseling Services, LLC | Hacking / intrusion | Healthcare | FL, US | 5,440 people | HHS |
| 2025-07-29 | PhyNet Dermatology, LLC | Hacking / intrusion | Healthcare | TN, US | 1,308 people | HHS |
| 2025-07-25 | Northwest Denture Center, Inc. | Hacking / intrusion | Healthcare | WA, US | 19k people | HHS |
| 2025-07-24 | McKenzie Memorial Hospital | Hacking / intrusion | Healthcare | MI, US | 59k people | HHS |
| 2025-07-24 | Nova Recovery Center, LLC d/b/a Nova Recovery Center | Hacking / intrusion | Healthcare | TX, US | 6,242 people | HHS |
| 2025-07-22 | Gastroenterology Consultants of South Texas | Hacking / intrusion | Healthcare | TX, US | 45k people | HHS |
| 2025-07-21 | Dr. Michael Bilikas and Associates d.b.a. 32 Pearls | Hacking / intrusion | Healthcare | WA, US | 24k people | HHS |
| 2025-07-21 | Kettering Adventist Healthcare | Hacking / intrusion | Healthcare | OH, US | 1.7M people | HHS |
| 2025-07-20 | Equilibria Mental Health Services | Hacking / intrusion | Healthcare | PA, US | 3,232 people | HHS |
| 2025-07-19 | Keys Pathology Associates, PA | Hacking / intrusion | Healthcare | FL, US | 20k people | HHS |
| 2025-07-18 | Human Development Services of Westchester | Hacking / intrusion | Healthcare | NY, US | 607 people | HHS |
| 2025-07-14 | Clinica Family Health Services | Hacking / intrusion | Healthcare | CO, US | 48k people | HHS |
| 2025-07-13 | Williamsburg Area Medical Assistance Corporation d/b/a Olde Towne Medical and Dental Center (OTMDC) | Hacking / intrusion | Healthcare | VA, US | 2,567 people | HHS |
| 2025-07-11 | Anne Arundel Dermatology | Hacking / intrusion | Healthcare | MD, US | 1.9M people | HHS |
| 2025-07-11 | Covenant Health | Hacking / intrusion | Healthcare | MA, US | 7,864 people | HHS |
| 2025-07-11 | Picis Clinical Solutions, Inc. d/b/a Medstreaming | Hacking / intrusion | Healthcare | MA, US | 8,840 people | HHS |
| 2025-07-10 | Mountain Laurel Dermatology | Hacking / intrusion | Healthcare | NC, US | 3,324 people | HHS |
| 2025-07-10 | Naper Grove Vision Care | Hacking / intrusion | Healthcare | IL, US | 501 people | HHS |
| 2025-07-09 | Florida Lung, Asthma & Sleep Specialists (FLASS) | Hacking / intrusion | Healthcare | FL, US | 10k people | HHS |
| 2025-07-03 | Arbor Associates, Inc. | Hacking / intrusion | Healthcare | MI, US | 17k people | HHS |
| 2025-07-03 | Cierant Corporation | Hacking / intrusion | Healthcare | CT, US | 233k people | HHS |
| 2025-07-03 | City of Franklin | Hacking / intrusion | Healthcare | WI, US | 3,233 people | HHS |
| 2025-07-03 | Urology Associates of Charleston | Hacking / intrusion | Healthcare | SC, US | 2,060 people | HHS |
| 2025-07-03 | Zumpano Patricios, P.A. | Hacking / intrusion | Healthcare | FL, US | 279k people | HHS |
| 2025-07-01 | Heart of America Medical Center (“HAMC”) | Hacking / intrusion | Healthcare | ND, US | 29k people | HHS |
| 2025-07-01 | Radiology Associates of Richmond, Inc. | Hacking / intrusion | Healthcare | VA, US | 1.4M people | HHS |
| 2025-06-30 | Centers for Medicare & Medicaid Services | Hacking / intrusion | Healthcare | MD, US | 107k people | HHS |
| 2025-06-30 | Clinical Practices of the University of Pennsylvania | Unauthorised access or disclosure | Healthcare | PA, US | 1,432 people | HHS |
| 2025-06-30 | Texas Center for Infectious Disease Associates | Hacking / intrusion | Healthcare | TX, US | 19k people | HHS |
| 2025-06-27 | PDCM Insurance | Hacking / intrusion | Healthcare | IA, US | 501 people | HHS |
| 2025-06-26 | Amalgamated Meat Cutters and Retail Food Store Employees Union Local 342 Health Care Fund | Hacking / intrusion | Healthcare | NY, US | 57k people | HHS |
| 2025-06-25 | Clement Manor | Hacking / intrusion | Healthcare | WI, US | 16k people | HHS |
| 2025-06-24 | McLaren Health Care | Hacking / intrusion | Healthcare | MI, US | 743k people | HHS |
| 2025-06-24 | Minneapolis VA Medical Center | Unauthorised access or disclosure | Healthcare | MN, US | 1,099 people | HHS |
| 2025-06-23 | Blue Shield of California | Unauthorised access or disclosure | Healthcare | CA, US | 673 people | HHS |
| 2025-06-23 | Mainline Health Systems Inc | Hacking / intrusion | Healthcare | AR, US | 101k people | HHS |
| 2025-06-20 | Esse Health | Hacking / intrusion | Healthcare | MO, US | 24k people | HHS |
| 2025-06-20 | Harbor | Hacking / intrusion | Healthcare | OH, US | 2,703 people | HHS |
| 2025-06-20 | Los Angeles County Developmental Services Fdn., Inc. dba Frank D. Lanterman Regional Ctr. | Hacking / intrusion | Healthcare | CA, US | 19k 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 01:13 UTC.