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
11,839 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2026-04-24 | Florida Physician Specialists | Hacking / intrusion | Healthcare | FL, US | 276k people | HHS |
| 2026-04-24 | GrayRobinson, P.A. | Hacking / intrusion | Healthcare | FL, US | 54k people | HHS |
| 2026-04-24 | Hematology Oncology Consultants | Hacking / intrusion | Healthcare | MI, US | 63k people | HHS |
| 2026-04-24 | Udemy udemy.com | Data breach (cause not stated) | — | — | 1.4M accounts | HIBP |
| 2026-04-23 | Belmont Aesthetic and Reconstructive Plastic Surgery | Hacking / intrusion | Healthcare | VA, US | 528 people | HHS |
| 2026-04-23 | Stewart Home & School | Hacking / intrusion | Healthcare | KY, US | 3,677 people | HHS |
| 2026-04-22 | Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) | Hacking / intrusion | Healthcare | CA, US | 2,287 people | HHS |
| 2026-04-22 | Laurel Eye Clinic | Hacking / intrusion | Healthcare | PA, US | 145k people | HHS |
| 2026-04-20 | ADT adt.com | Data breach (cause not stated) | — | — | 5.5M accounts | HIBP |
| 2026-04-20 | Aman aman.com | Data breach (cause not stated) | — | — | 216k accounts | HIBP |
| 2026-04-20 | Canada Life canadalife.com | Data breach (cause not stated) | — | — | 238k accounts | HIBP |
| 2026-04-20 | Pitney Bowes pitneybowes.com | Data breach (cause not stated) | — | — | 8.2M accounts | HIBP |
| 2026-04-20 | Prime Care 12 Priority Health | Hacking / intrusion | Healthcare | WV, US | 1,000 people | HHS |
| 2026-04-20 | Spokane Digestive Disease Center, P.S. | Hacking / intrusion | Healthcare | WA, US | 2,157 people | HHS |
| 2026-04-18 | Carnival carnivalcorp.com | Data breach (cause not stated) | — | — | 7.5M accounts | HIBP |
| 2026-04-17 | ASC Ortho Management Company, LLC d/b/a Aligned Orthopedic Partners | Hacking / intrusion | Healthcare | MD, US | 7,213 people | HHS |
| 2026-04-17 | Bayside Dental | Hacking / intrusion | Healthcare | WA, US | 10k people | HHS |
| 2026-04-17 | Innovative Scientific Solutions, LLC | Hacking / intrusion | Healthcare | SC, US | 144k people | HHS |
| 2026-04-17 | NJ Division of Developmental Disabilities - Hunterdon Developmental Center | Unauthorised access or disclosure | Healthcare | NJ, US | 807 people | HHS |
| 2026-04-17 | University of Nebraska Medical Center | Hacking / intrusion | Healthcare | NE, US | 27k people | HHS |
| 2026-04-16 | Spokane United Methodist Homes d/b/a Rockwood Retirement Communities | Hacking / intrusion | Healthcare | WA, US | 3,811 people | HHS |
| 2026-04-15 | Kemper kemper.com | Data breach (cause not stated) | — | — | 269k accounts | HIBP |
| 2026-04-15 | Mazzola Mardon, P.C. | Hacking / intrusion | Healthcare | NY, US | 2,123 people | HHS |
| 2026-04-15 | Zara zara.com | Data breach (cause not stated) | — | — | 197k accounts | HIBP |
| 2026-04-14 | Abrigo abrigo.com | Data breach (cause not stated) | — | — | 711k accounts | HIBP |
| 2026-04-14 | Defense Health Agency | Unauthorised access or disclosure | Healthcare | VA, US | 1,300 people | HHS |
| 2026-04-12 | Marcus & Millichap marcusmillichap.com | Data breach (cause not stated) | — | — | 1.8M accounts | HIBP |
| 2026-04-12 | Mytheresa mytheresa.com | Data breach (cause not stated) | — | — | 84k accounts | HIBP |
| 2026-04-10 | CARE Clinic | Hacking / intrusion | Healthcare | MN, US | 500 people | HHS |
| 2026-04-10 | Joseph J Chappell, Jr., MD, PA dba Tupelo Eye Clinic | Hacking / intrusion | Healthcare | MS, US | 6,245 people | HHS |
| 2026-04-10 | McGraw Hill mheducation.com | Data breach (cause not stated) | — | — | 13.5M accounts | HIBP |
| 2026-04-10 | Springfield Hospital | Hacking / intrusion | Healthcare | VT, US | 5,892 people | HHS |
| 2026-04-09 | Clinical Registry Solutions | Hacking / intrusion | Professional Services | NY, US | — | VCDB |
| 2026-04-08 | 7-Eleven 7-eleven.com | Data breach (cause not stated) | — | — | 185k accounts | HIBP |
| 2026-04-07 | My Lovely AI mylovely.ai | Data breach (cause not stated) | — | — | 106k accounts | HIBP |
| 2026-04-06 | Bitcoin Depot Inc. | Hacking / intrusion | Finance, Insurance & Real Estate | GA, US | — | SEC 8-K |
| 2026-04-06 | Grandview Family Medicine | Hacking / intrusion | Healthcare | UT, US | 13k people | HHS |
| 2026-04-06 | Heart South Cardiovascular Group | Hacking / intrusion | Healthcare | AL, US | 47k people | HHS |
| 2026-04-06 | Hospital Caribbean Medical Center | Hacking / intrusion | Healthcare | US | 92k people | HHS |
| 2026-04-06 | LegionProxy legionproxy.io | Data breach (cause not stated) | — | — | 10k accounts | HIBP |
| 2026-04-06 | Option Care Health, Inc. | Hacking / intrusion | Healthcare | IL, US | 1,891 people | HHS |
| 2026-04-06 | Shore Gardens Rehabilitation and Nursing Center, LLC | Hacking / intrusion | Healthcare | PA, US | 755 people | HHS |
| 2026-04-03 | Amtrak amtrak.com | Data breach (cause not stated) | — | — | 2.1M accounts | HIBP |
| 2026-04-03 | Rocky Mountain Associated Physicians, P.C. | Hacking / intrusion | Healthcare | UT, US | 51k people | HHS |
| 2026-04-03 | Village Heart Seller, PC d/b/a Village Heart & Vein Center | Hacking / intrusion | Healthcare | FL, US | 687 people | HHS |
| 2026-04-02 | SongTrivia2 songtrivia2.io | Data breach (cause not stated) | — | — | 292k accounts | HIBP |
| 2026-04-02 | Southern Illinois Dermatology | Hacking / intrusion | Healthcare | IL, US | 160k people | HHS |
| 2026-03-31 | Hallmark hallmark.com | Data breach (cause not stated) | — | — | 1.7M accounts | HIBP |
| 2026-03-31 | Interventional Pain Center, PLLC | Hacking / intrusion | Healthcare | TN, US | 3,171 people | HHS |
| 2026-03-30 | Austin Plastic and Reconstructive Surgery | Hacking / intrusion | Healthcare | TX, US | 4,266 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 19:43 UTC.