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 |
|---|---|---|---|---|---|---|
| 2026-06-12 | Clinical Registry Solutions | Hacking / intrusion | Healthcare | NY, US | 8,545 people | HHS |
| 2026-06-12 | JCPenney jcpenny.com | Data breach (cause not stated) | — | — | 368k accounts | HIBP |
| 2026-06-12 | Ohio Living | Hacking / intrusion | Healthcare | OH, US | 500 people | HHS |
| 2026-06-11 | Chickasaw Nation Department of Health | Unauthorised access or disclosure | Healthcare | OK, US | 1,607 people | HHS |
| 2026-06-11 | Open Arms Care Corporation | Hacking / intrusion | Healthcare | TN, US | 893 people | HHS |
| 2026-06-11 | Ralph Lauren ralphlauren.com | Data breach (cause not stated) | — | — | 140k accounts | HIBP |
| 2026-06-10 | Dr. Erick Perroud | Hacking / intrusion | Healthcare | MI, US | 7,692 people | HHS |
| 2026-06-10 | Mackay Sugar Limited | Ransomware | Manufacturing | AU | — | VCDB |
| 2026-06-10 | iRhythm Holdings, Inc. | Hacking / intrusion | Manufacturing | CA, US | — | SEC 8-K |
| 2026-06-09 | Goose Creek goosecreek.com | Data breach (cause not stated) | — | — | 6.6M accounts | HIBP |
| 2026-06-09 | Michigan Surgical Center, LLC | Hacking / intrusion | Healthcare | MI, US | 7,578 people | HHS |
| 2026-06-09 | Monaco & Associates Incorporated | Hacking / intrusion | Healthcare | KS, US | 534 people | HHS |
| 2026-06-09 | University of Nottingham nottingham.ac.uk | Data breach (cause not stated) | — | — | 455k accounts | HIBP |
| 2026-06-08 | Lutheran Home for the Aged | Hacking / intrusion | Healthcare | MO, US | 2,311 people | HHS |
| 2026-06-07 | Sierra Management Group | Hacking / intrusion | Healthcare | CA, US | 1,279 people | HHS |
| 2026-06-05 | Gay & Lesbian Community Services Center of Orange County, Inc. | Hacking / intrusion | Healthcare | CA, US | 76k people | HHS |
| 2026-06-05 | MVP VIP Holdco dba Heart of America Eye Care | Hacking / intrusion | Healthcare | MO, US | 500 people | HHS |
| 2026-06-05 | Madison Square Garden Sports msgsports.com | Data breach (cause not stated) | — | — | 9.8M accounts | HIBP |
| 2026-06-05 | Minnesota Epilepsy Group, P.A. | Hacking / intrusion | Healthcare | MN, US | 80k people | HHS |
| 2026-06-05 | Signature Healthcare Corporation | Hacking / intrusion | Healthcare | MA, US | 500 people | HHS |
| 2026-06-05 | Sturdy Health, Inc. | Hacking / intrusion | Healthcare | MA, US | 1,006 people | HHS |
| 2026-06-05 | UnitedHealth Care Services, Inc. Single Affiliated Covered Entity | Hacking / intrusion | Healthcare | CT, US | 35k people | HHS |
| 2026-06-05 | Xsolis, Inc. | Hacking / intrusion | Healthcare | TN, US | 1.4M people | HHS |
| 2026-06-04 | McLeod Physician Associates II | Hacking / intrusion | Healthcare | SC, US | 20k people | HHS |
| 2026-06-04 | Minidoka Memorial Hospital | Hacking / intrusion | Healthcare | ID, US | 22k people | HHS |
| 2026-06-03 | All About Women's Care | Hacking / intrusion | Healthcare | CO, US | 12k people | HHS |
| 2026-06-03 | Amicus Solutions, Inc. (additional related entities may be impacted, the names of which are available upon request) | Hacking / intrusion | Healthcare | SC, US | 1,137 people | HHS |
| 2026-06-03 | City of Middletown | Hacking / intrusion | Healthcare | OH, US | 21k people | HHS |
| 2026-06-02 | Henry Rossi & Company, LLP | Hacking / intrusion | Healthcare | PA, US | 2,720 people | HHS |
| 2026-06-02 | Waveny LifeCare Network, Inc. | Hacking / intrusion | Healthcare | CT, US | 27k people | HHS |
| 2026-06-01 | Medenet Inc. | Hacking / intrusion | Healthcare | FL, US | 1,387 people | HHS |
| 2026-05-30 | Atlas Menu atlasmenu.net | Data breach (cause not stated) | — | — | 64k accounts | HIBP |
| 2026-05-29 | BCD Travel bcdtravel.com | Data breach (cause not stated) | — | — | 396k accounts | HIBP |
| 2026-05-29 | Campbell University | Hacking / intrusion | Healthcare | NC, US | 500 people | HHS |
| 2026-05-29 | Networking Technology, Inc. | Hacking / intrusion | Healthcare | NC, US | 354k people | HHS |
| 2026-05-29 | United Medical Doctors | Hacking / intrusion | Healthcare | CA, US | 501 people | HHS |
| 2026-05-28 | Kannarr Eye Care | Hacking / intrusion | Healthcare | KS, US | 14k people | HHS |
| 2026-05-27 | Carlyle Senior Care Management Company, Inc. | Hacking / intrusion | Healthcare | SC, US | 4,060 people | HHS |
| 2026-05-26 | ERMI LLC | Hacking / intrusion | Healthcare | GA, US | 74k people | HHS |
| 2026-05-23 | Baker Distributing bakerdist.com | Data breach (cause not stated) | — | — | 103k accounts | HIBP |
| 2026-05-23 | Charter charter.com | Data breach (cause not stated) | — | — | 4.9M accounts | HIBP |
| 2026-05-23 | DentaQuest dentaquest.com | Data breach (cause not stated) | — | — | 2.6M accounts | HIBP |
| 2026-05-23 | Virta Medical PC | Hacking / intrusion | Healthcare | CO, US | 15k people | HHS |
| 2026-05-22 | AUTOAPS LLC | Hacking / intrusion | Healthcare | CA, US | 1,591 people | HHS |
| 2026-05-22 | Acadia Healthcare Company, Inc | Hacking / intrusion | Healthcare | TN, US | 1,807 people | HHS |
| 2026-05-22 | Gastro Health | Hacking / intrusion | Healthcare | FL, US | 36k people | HHS |
| 2026-05-22 | Gastro Health | Hacking / intrusion | Healthcare | FL, US | 1,628 people | HHS |
| 2026-05-22 | Nottingham Village | Hacking / intrusion | Healthcare | PA, US | 5,240 people | HHS |
| 2026-05-22 | Oakwood Lutheran Senior Ministries, Inc. | Hacking / intrusion | Healthcare | WI, US | 1,080 people | HHS |
| 2026-05-22 | South Florida Injury Centers, Inc. | Hacking / intrusion | Healthcare | FL, US | 1,525 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 17:55 UTC.