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
- 70.5M
- 477 breaches reported to HHS
- Material incidents, US listed firms
- 21
- SEC 8-K Item 1.05, 12 months
- Accounts in new breach records
- 504.9M
- 124 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 sectorHealthcare756 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 / intrusion799
- 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 / intrusion799
- 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 / intrusion799
- 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 | 687 | 62 | 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
11,849 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2017-07-01 | Shell Food Mart | Theft or loss | Retail | OH, US | — | VCDB |
| 2017-07-01 | Shirley Oaks Childrens' Home | Error / misconfiguration | Healthcare | GB | — | VCDB |
| 2017-07-01 | State Revenue Victoria | Error / misconfiguration | Public Administration | AU | 4,400 records | VCDB |
| 2017-07-01 | Tesco Express | Theft or loss | Retail | Ohio, US | — | VCDB |
| 2017-07-01 | University of Wisconsin-Madison | Error / misconfiguration | Education | US | 1,000 records | VCDB |
| 2017-07-01 | Valley Family Medicine | Insider misuse | Healthcare | VA, US | 8,500 records | VCDB |
| 2017-07-01 | Virgin Island Police Department | Insider misuse | Public Administration | VI | — | VCDB |
| 2017-07-01 | WestJet | Hacking / intrusion | Transportation | CA | — | VCDB |
| 2017-07-01 | World Wrestling Entertainment | Error / misconfiguration | Entertainment | US | 3.0M records | VCDB |
| 2017-06-29 | Kabu.com | Hacking / intrusion | Finance & Insurance | JP | — | VCDB |
| 2017-06-28 | Community Care | Ransomware | Healthcare | CA | — | VCDB |
| 2017-06-27 | 8tracks 8tracks.com | Data breach (cause not stated) | — | — | 18.0M accounts | HIBP |
| 2017-06-26 | Brownsburg Public Library | Ransomware | Public Administration | IN, US | — | VCDB |
| 2017-06-25 | Parliament | Hacking / intrusion | Public Administration | GB | 90 records | VCDB |
| 2017-06-25 | WestPac ATM | Theft or loss | Manufacturing | NZ | — | VCDB |
| 2017-06-22 | Community Memorial Health System | Phishing / social engineering | Healthcare | CA, Unknown | 959 records | VCDB |
| 2017-06-22 | Community Memorial Health System | Hacking / intrusion | Healthcare | CA, US | 960 records | VCDB |
| 2017-06-22 | Helen Devos Children Hospital | Theft or loss | Healthcare | US | — | VCDB |
| 2017-06-21 | Beverly Hills Dougherty Laser Vision | Hacking / intrusion | Healthcare | CA, US | — | VCDB |
| 2017-06-21 | Unnamed organisation | Malware | Retail | CA | 257k records | VCDB |
| 2017-06-20 | Minnesota State University | Hacking / intrusion | Education | MN, US | — | VCDB |
| 2017-06-18 | Rocky Mountain Health Care Services | Theft or loss | Healthcare | CO, US | — | VCDB |
| 2017-06-18 | Salina Family Healthcare Center | Error / misconfiguration | Healthcare | US | 9,640 records | VCDB |
| 2017-06-17 | Medical Oncology Hematology Consultants | Ransomware | Healthcare | DE, US | 19k records | VCDB |
| 2017-06-15 | Unnamed organisation | Theft or loss | Healthcare | OH, US | 750 records | VCDB |
| 2017-06-14 | Chevron Gas Station | Theft or loss | Retail | FL, US | — | VCDB |
| 2017-06-14 | Pacific Alliance Medical Center’s | Ransomware | Healthcare | CA, US | 266k records | VCDB |
| 2017-06-14 | The University College London | Ransomware | Education | GB | — | VCDB |
| 2017-06-14 | US Bancorp | Theft or loss | Finance & Insurance | NE, US | — | VCDB |
| 2017-06-05 | Exposed VINs | Credential compilation (no single victim) | — | — | 397k accounts | HIBP |
| 2017-06-01 | 7-Eleven | Theft or loss | Retail | TX, US | — | VCDB |
| 2017-06-01 | Auburn Eye Care Assoicates | Hacking / intrusion | Healthcare | CA, US | — | VCDB |
| 2017-06-01 | British Department for Exiting the EU | Error / misconfiguration | Public Administration | GB | — | VCDB |
| 2017-06-01 | Calallen Independent School District | Ransomware | Education | US | — | VCDB |
| 2017-06-01 | CashCrate | Hacking / intrusion | Administrative | Unknown | 6.0M records | VCDB |
| 2017-06-01 | CheckPoint Fluid Systems International | Error / misconfiguration | Manufacturing | US | — | VCDB |
| 2017-06-01 | CrossFit gym | Theft or loss | Entertainment | CA, US | — | VCDB |
| 2017-06-01 | Giant Food Stores | Theft or loss | Retail | PA, US | — | VCDB |
| 2017-06-01 | Health and Human Services Commission | Error / misconfiguration | Public Administration | TX, US | 1,842 records | VCDB |
| 2017-06-01 | Kentucky Workers' Compensation Fund | Ransomware | Finance & Insurance | KY, US | — | VCDB |
| 2017-06-01 | MJHS Home Care | Phishing / social engineering | Healthcare | US | 28k records | VCDB |
| 2017-06-01 | Miramar Medical Center | Error / misconfiguration | Healthcare | NZ | 4 records | VCDB |
| 2017-06-01 | Mondelez International | Ransomware | Manufacturing | IL, US | — | VCDB |
| 2017-06-01 | Nottinghamshire Police | Insider misuse | Public Administration | GB | — | VCDB |
| 2017-06-01 | Prince Albert Parkland Health | Insider misuse | Healthcare | CA | 14 records | VCDB |
| 2017-06-01 | Sebastopol Fast Gas | Theft or loss | Retail | CA, US | — | VCDB |
| 2017-06-01 | Sport and Spine Rehab | Ransomware | Healthcare | MD, US | — | VCDB |
| 2017-06-01 | St Luke’s Hospital | Error / misconfiguration | Healthcare | GB | 1 records | VCDB |
| 2017-06-01 | TRUEbenefits | Phishing / social engineering | Finance & Insurance | US | — | VCDB |
| 2017-06-01 | The institute for Women's Health | Malware | Healthcare | TX, US | — | 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 2026-10-17 10:28 UTC.