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
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion792
- 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 / intrusion792
- 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 | 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 | |||||
| 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 (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
11,839 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2026-07-29 | Associated Endocrinologists | Hacking / intrusion | Healthcare | MI, US | 4,979 people | HHS |
| 2026-07-29 | Central Texas Oral Health | Hacking / intrusion | Healthcare | TX, US | 1,389 people | HHS |
| 2026-07-29 | Nephrology Associates, M.D., P.A. | Hacking / intrusion | Healthcare | KS, US | 24k people | HHS |
| 2026-07-29 | Quantum Health | Hacking / intrusion | Healthcare | OH, US | 2,104 people | HHS |
| 2026-07-29 | zHealth, Inc. | Hacking / intrusion | Healthcare | CA, US | 119k people | HHS |
| 2026-07-27 | Cornerstone Behavioral Healthcare | Hacking / intrusion | Healthcare | ME, US | 15k people | HHS |
| 2026-07-27 | Jeffrey David Reuben, M.D. | Hacking / intrusion | Healthcare | TX, US | 17k people | HHS |
| 2026-07-27 | Regional Center of Orange County | Error / misconfiguration | Healthcare | CA, US | 17k people | HHS |
| 2026-07-27 | RingCentral ringcentral.com | Data breach (cause not stated) | — | — | 1.6M accounts | HIBP |
| 2026-07-24 | Agave Dental-Floresville | Hacking / intrusion | Healthcare | TX, US | 12k people | HHS |
| 2026-07-24 | Allwyn Dental | Hacking / intrusion | Healthcare | TX, US | 4,013 people | HHS |
| 2026-07-24 | Azle Smiles Dental | Hacking / intrusion | Healthcare | TX, US | 9,444 people | HHS |
| 2026-07-24 | Bridgeway Benefit Technologies LLC | Hacking / intrusion | Healthcare | FL, US | 9,268 people | HHS |
| 2026-07-24 | CareCloud, Inc. | Hacking / intrusion | Healthcare | NJ, US | 3.8M people | HHS |
| 2026-07-24 | Kashi Dental | Hacking / intrusion | Healthcare | TX, US | 6,027 people | HHS |
| 2026-07-24 | Lifespark Management Services, LLC | Hacking / intrusion | Healthcare | MN, US | 6,611 people | HHS |
| 2026-07-24 | Mysa Dental | Hacking / intrusion | Healthcare | TX, US | 3,394 people | HHS |
| 2026-07-24 | Vanderbilt University Medical Center | Hacking / intrusion | Healthcare | TN, US | 3,298 people | HHS |
| 2026-07-24 | Wilson Dental | Hacking / intrusion | Healthcare | TX, US | 3,476 people | HHS |
| 2026-07-23 | Casper Orthopedic Associates, PC | Hacking / intrusion | Healthcare | DC, US | 56k people | HHS |
| 2026-07-23 | Risk Program Administrators LLC | Hacking / intrusion | Healthcare | CA, US | 8,309 people | HHS |
| 2026-07-23 | SunCloud Health | Hacking / intrusion | Healthcare | IL, US | 2,594 people | HHS |
| 2026-07-23 | Suvida Healthcare, LLC | Hacking / intrusion | Healthcare | TX, US | 1,421 people | HHS |
| 2026-07-22 | Any-Time Home Care, Inc. | Hacking / intrusion | Healthcare | NY, US | 12k people | HHS |
| 2026-07-21 | Harvard Pilgrim Health Care, Inc. | Hacking / intrusion | Healthcare | MA, US | 1,168 people | HHS |
| 2026-07-21 | SplitVPN splitvpn.io | Data breach (cause not stated) | — | — | 865k accounts | HIBP |
| 2026-07-21 | Unlimited Technology Systems, LLC | Hacking / intrusion | Healthcare | OH, US | 3.8M people | HHS |
| 2026-07-20 | Beltrami County Health and Human Services | Hacking / intrusion | Healthcare | MN, US | 1,491 people | HHS |
| 2026-07-19 | Minnesota Health Insurance Network | Hacking / intrusion | Healthcare | MN, US | 3,656 people | HHS |
| 2026-07-18 | Open Door Health Center of Illinois | Hacking / intrusion | Healthcare | WA, US | 501 people | HHS |
| 2026-07-17 | Community Based Care of Brevard dba Family Partnerships of Central Florida | Hacking / intrusion | Healthcare | FL, US | 8,151 people | HHS |
| 2026-07-17 | James C. Standring, DDS | Hacking / intrusion | Healthcare | CA, US | 6,658 people | HHS |
| 2026-07-17 | One Medical Group, Inc. | Hacking / intrusion | Healthcare | CA, US | 153k people | HHS |
| 2026-07-17 | The Association for Neurologically Impaired Brain Injured | Hacking / intrusion | Healthcare | NY, US | 1,918 people | HHS |
| 2026-07-17 | ZenPatient, Inc. | Hacking / intrusion | Healthcare | CA, US | 16k people | HHS |
| 2026-07-16 | DentaQuest, LLC | Hacking / intrusion | Healthcare | MA, US | 15.0M people | HHS |
| 2026-07-16 | Lifespan Physician Group of Massachusetts, Inc. d/b/a Brown Health Medical Group-MA | Hacking / intrusion | Healthcare | MA, US | 312k people | HHS |
| 2026-07-15 | Exact Sciences exactsciences.com | Data breach (cause not stated) | — | — | 10.9M accounts | HIBP |
| 2026-07-15 | Resource Center of Dallas, Inc. | Hacking / intrusion | Healthcare | TX, US | 12k people | HHS |
| 2026-07-14 | Parkhurst Chiropractic Life Center PLC | Unauthorised access or disclosure | Healthcare | MI, US | 728 people | HHS |
| 2026-07-13 | Alpine Agency of the Midlands, LLC | Hacking / intrusion | Healthcare | SC, US | 500 people | HHS |
| 2026-07-13 | Brinks Home brinkshome.com | Data breach (cause not stated) | — | — | 732k accounts | HIBP |
| 2026-07-13 | Madera Community Hospital | Hacking / intrusion | Healthcare | CA, US | 151k people | HHS |
| 2026-07-13 | Youth Home, Inc. | Hacking / intrusion | Healthcare | AR, US | 689 people | HHS |
| 2026-07-10 | Health Payment Systems, Inc. | Hacking / intrusion | Healthcare | WI, US | 9,380 people | HHS |
| 2026-07-10 | Heart Care Centers of Illinois | Hacking / intrusion | Healthcare | IL, US | 53k people | HHS |
| 2026-07-10 | Sunshine Health | Hacking / intrusion | Healthcare | FL, US | 42k people | HHS |
| 2026-07-08 | Claremedica Viking, LLC | Hacking / intrusion | Healthcare | FL, US | 675 people | HHS |
| 2026-07-07 | Hollister Family Dental & Implant Center | Hacking / intrusion | Healthcare | CA, US | 3,809 people | HHS |
| 2026-07-07 | Hudson Valley Medical Billing & Credentialing, LLC | Hacking / intrusion | Healthcare | NY, US | 5,459 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 16:14 UTC.