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
- 612
- last 12 months, every source
- People in US health breaches
- 70.5M
- 476 breaches reported to HHS
- Material incidents, US listed firms
- 21
- SEC 8-K Item 1.05, 12 months
- Accounts in new breach records
- 522.5M
- 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 sectorHealthcare754 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 / intrusion797
- Data breach (cause not stated)151
- Unauthorised access or disclosure62
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion797
- Data breach (cause not stated)151
- Unauthorised access or disclosure62
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion797
- Data breach (cause not stated)151
- Unauthorised access or disclosure62
- 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 | 685 | 62 | 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 (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
11,847 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2020-06-19 | Government of Jordan | Insider misuse | Public Administration | JO | — | VCDB |
| 2020-06-19 | LiveAuctioneers liveauctioneers.com | Data breach (cause not stated) | — | — | 3.4M accounts | HIBP |
| 2020-06-19 | Oracle Corporation | Error / misconfiguration | Information | CA, US | 1.0B records | VCDB |
| 2020-06-19 | Unnamed organisation | Unknown | Information | Unknown | 3.4M records | VCDB |
| 2020-06-18 | St Kilda Football Club | Theft or loss | Entertainment | AU | — | VCDB |
| 2020-06-16 | A place for mom | Insider misuse | Healthcare | TX, US | — | VCDB |
| 2020-06-15 | Arizona Asthma and Allergy Institute | Ransomware | Healthcare | AZ, US | — | VCDB |
| 2020-06-13 | Sarasota Citgo | Theft or loss | Retail | FL, US | — | VCDB |
| 2020-06-09 | Natura & Co | Error / misconfiguration | Retail | BR-SP, BR | 290k records | VCDB |
| 2020-06-06 | Lorien Health Services | Ransomware | Healthcare | MD, US | 48k records | VCDB |
| 2020-06-04 | Columbia College Chicago | Ransomware | Education | IL, US | — | VCDB |
| 2020-06-03 | Arbiter Sports | Ransomware | Professional Services | UT, US | — | VCDB |
| 2020-06-03 | Unnamed organisation | Hacking / intrusion | Finance & Insurance | CA, US | 7.5M records | VCDB |
| 2020-06-01 | Crozer-Keystone | Ransomware | Healthcare | PA, US | — | VCDB |
| 2020-06-01 | Hockley General Practice Surgery | Hacking / intrusion | Healthcare | GB | — | VCDB |
| 2020-06-01 | KreditPlus | Hacking / intrusion | Finance & Insurance | ID | 769k records | VCDB |
| 2020-06-01 | Lorien Health Services | Ransomware | Healthcare | MD, US | 50k records | VCDB |
| 2020-06-01 | Mainecare | Error / misconfiguration | Finance & Insurance | ME, US | — | VCDB |
| 2020-06-01 | MasMovil | Ransomware | Information | ES | — | VCDB |
| 2020-06-01 | Mashable mashable.com | Data breach (cause not stated) | — | — | 1.4M accounts | HIBP |
| 2020-06-01 | Muskingum Valley Health Centers | Ransomware | Healthcare | OH, US | 7,447 records | VCDB |
| 2020-06-01 | North Okanagan Pediatric Clinic | Ransomware | Healthcare | BC, CA | — | VCDB |
| 2020-06-01 | OneClass | Error / misconfiguration | Education | MY | 8.9M records | VCDB |
| 2020-06-01 | VT San Antonio Aerospace | Ransomware | Transportation | TX, US | — | VCDB |
| 2020-05-31 | mycastingfile.com | Error / misconfiguration | Information | LA, US | 260k records | VCDB |
| 2020-05-25 | Preen.Me preen.me | Data breach (cause not stated) | — | — | 236k accounts | HIBP |
| 2020-05-22 | Executive Office of the President of the United States | Error / misconfiguration | Public Administration | US-DC, US | 1 records | VCDB |
| 2020-05-20 | Allergy and Asthma Clinic of Fort Worth | Hacking / intrusion | Healthcare | TX, US | 70k records | VCDB |
| 2020-05-20 | Nulled.ch nulled.ch | Data breach (cause not stated) | — | — | 43k accounts | HIBP |
| 2020-05-18 | Illinois Department of Employment Security | Error / misconfiguration | Public Administration | IL, US | — | VCDB |
| 2020-05-18 | Woodlawn Dental Center | Ransomware | Healthcare | OH, US | 14k records | VCDB |
| 2020-05-16 | Dynasplint Systems | Ransomware | Manufacturing | MD, US | 103k records | VCDB |
| 2020-05-15 | Ohio Department of Job and Family Services | Error / misconfiguration | Public Administration | OH, US | — | VCDB |
| 2020-05-14 | CDEC Express | Hacking / intrusion | Transportation | RU | 9.0M records | VCDB |
| 2020-05-14 | Goa Police Department | Insider misuse | Public Administration | IN | 7 records | VCDB |
| 2020-05-14 | MyBudget | Ransomware | Information | AU | 13k records | VCDB |
| 2020-05-13 | Virtu Financial | Hacking / intrusion | Finance & Insurance | NY, US | 1 records | VCDB |
| 2020-05-11 | Palm Beach County School District | Hacking / intrusion | Education | FL, US | 176k records | VCDB |
| 2020-05-10 | Wellington property management company | Error / misconfiguration | Real Estate | US-CA, US | 32k records | VCDB |
| 2020-05-10 | Zacks zacks.com | Data breach (cause not stated) | — | — | 8.9M accounts | HIBP |
| 2020-05-06 | Minted minted.com | Data breach (cause not stated) | — | — | 4.4M accounts | HIBP |
| 2020-05-05 | Big World Technology | Hacking / intrusion | Professional Services | AU | — | VCDB |
| 2020-05-05 | Granity Entertainment | Error / misconfiguration | Entertainment | FL, US | 10.9B records | VCDB |
| 2020-05-05 | Stalker Online stalker.so | Data breach (cause not stated) | — | — | 1.4M accounts | HIBP |
| 2020-05-01 | Serco | Error / misconfiguration | Professional Services | GB | 300 records | VCDB |
| 2020-05-01 | All Points Lodge | Insider misuse | Healthcare | CO, US | — | VCDB |
| 2020-05-01 | Arkansas Division of Workforce Services | Hacking / intrusion | Public Administration | AR, US | 30k records | VCDB |
| 2020-05-01 | Awanui Rest Home | Insider misuse | Healthcare | NZ | — | VCDB |
| 2020-05-01 | Bhinneka.com | Hacking / intrusion | Retail | ID | 1.2M records | VCDB |
| 2020-05-01 | Blackbaud | Ransomware | Information | SC, US | 1.6M records | VCDB |
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 2026-10-16 10:09 UTC.