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
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion799
- Data breach (cause not stated)151
- Unauthorised access or disclosure62
- Ransomware9
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion799
- Data breach (cause not stated)151
- Unauthorised access or disclosure62
- 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 | 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 | |||||
| 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
11,849 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2017-09-01 | Graton Resort and Casino | Error / misconfiguration | Accommodation & Food | US | — | VCDB |
| 2017-09-01 | Hacking / intrusion | Information | CA, US | 6.0M records | VCDB | |
| 2017-09-01 | MainSource Bank | Theft or loss | Finance & Insurance | OH, US | — | VCDB |
| 2017-09-01 | Medical Council of India (MCI) | Phishing / social engineering | Education | IN | — | VCDB |
| 2017-09-01 | Ministry of National Defense | Hacking / intrusion | Public Administration | KR | — | VCDB |
| 2017-09-01 | Penn Jersey Convenience Store | Theft or loss | Retail | PA, US | — | VCDB |
| 2017-09-01 | Pentagon | Error / misconfiguration | Public Administration | D.C, US | — | VCDB |
| 2017-09-01 | Pop Shoppe | Theft or loss | Retail | NC, US | — | VCDB |
| 2017-09-01 | Pro Move | Insider misuse | Accommodation & Food | GA, US | — | VCDB |
| 2017-09-01 | Royal Adelaide Hospital | Error / misconfiguration | Healthcare | AU | — | VCDB |
| 2017-09-01 | SVR Tracking | Error / misconfiguration | Professional Services | US | — | VCDB |
| 2017-09-01 | Sonic Drive-in | Malware | Accommodation & Food | US | — | VCDB |
| 2017-09-01 | Spartanburg (SC) County Public Libraries | Ransomware | Information | SC, US | — | VCDB |
| 2017-09-01 | Sports Medicine & Rehabilitation Therapy | Hacking / intrusion | Healthcare | MA, US | 7,000 records | VCDB |
| 2017-09-01 | Stop and Shop Gas Station | Theft or loss | Retail | CA, US | 12 records | VCDB |
| 2017-09-01 | SunTrust Bank | Theft or loss | Finance & Insurance | FL, US | — | VCDB |
| 2017-09-01 | TGBUS tgbus.com | Data breach (cause not stated) | — | — | 10.4M accounts | HIBP |
| 2017-09-01 | Tiger Stop Blue Water Gas Statoin | Theft or loss | Retail | SC, US | — | VCDB |
| 2017-09-01 | University of Pittsburgh Medical Center's Bedford Memorial hospital | Insider misuse | Healthcare | PA, US | 1 records | VCDB |
| 2017-09-01 | Valero | Theft or loss | Retail | US | — | VCDB |
| 2017-09-01 | Valero Gas Station | Theft or loss | Retail | TX, US | — | VCDB |
| 2017-09-01 | Western State Hospital | Error / misconfiguration | Healthcare | WA, US | 515 records | VCDB |
| 2017-08-30 | Viacom | Error / misconfiguration | Information | US | — | VCDB |
| 2017-08-29 | Marathon Gas | Theft or loss | Retail | OH, US | — | VCDB |
| 2017-08-25 | Sun Trust Bank | Theft or loss | Finance & Insurance | FL, US | — | VCDB |
| 2017-08-25 | Verdian Credit Union | Theft or loss | Finance & Insurance | IA, US | — | VCDB |
| 2017-08-24 | CVS | Error / misconfiguration | Retail | US | — | VCDB |
| 2017-08-23 | Jewson | Hacking / intrusion | Retail | GB | 1,659 records | VCDB |
| 2017-08-23 | Sunoco Gas Station | Theft or loss | Retail | US | — | VCDB |
| 2017-08-21 | Rivers Casino | Theft or loss | Entertainment | PA, US | 2 records | VCDB |
| 2017-08-15 | Home Care by Black Stone | Theft or loss | Healthcare | OH, US | — | VCDB |
| 2017-08-15 | Home Care by Black Stone | Theft or loss | Healthcare | OH, US | — | VCDB |
| 2017-08-12 | Namaste Health Care | Ransomware | Healthcare | Colorado, US | — | VCDB |
| 2017-08-09 | Kaiser Permanente | Error / misconfiguration | Healthcare | US | — | VCDB |
| 2017-08-09 | PeaceHealth Southwest Medical Center | Insider misuse | Healthcare | CA | — | VCDB |
| 2017-08-03 | Coinmama coinmama.com | Data breach (cause not stated) | — | — | 479k accounts | HIBP |
| 2017-08-02 | Chase Brexton Health Care | Phishing / social engineering | Healthcare | MD, US | 4 records | VCDB |
| 2017-08-02 | TD Bank | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2017-08-01 | Circle K | Theft or loss | Retail | OH, US | — | VCDB |
| 2017-08-01 | Network Health | Phishing / social engineering | Finance & Insurance | WI, US | 51k records | VCDB |
| 2017-08-01 | Time Warner Cable | Error / misconfiguration | Information | US | — | VCDB |
| 2017-08-01 | US National Wildfire Coordinating Group | Ransomware | Public Administration | D.C, US | — | VCDB |
| 2017-08-01 | World Anti-Doping Agency | Hacking / intrusion | Entertainment | CA | 25 records | VCDB |
| 2017-08-01 | 7- Eleven | Theft or loss | Retail | VA, US | — | VCDB |
| 2017-08-01 | 7-Eleven | Theft or loss | Retail | VA, US | — | VCDB |
| 2017-08-01 | Allied Irish Banks | Error / misconfiguration | Transportation | IE | 550 records | VCDB |
| 2017-08-01 | CeX | Hacking / intrusion | Retail | GB | 2.0M records | VCDB |
| 2017-08-01 | City of Hope | Hacking / intrusion | Healthcare | US | 3,400 records | VCDB |
| 2017-08-01 | Dara Linn Cherry Orchard Hospital | Error / misconfiguration | Healthcare | GB | 1 records | VCDB |
| 2017-08-01 | Golden 1 Credit Union | Theft or loss | Finance & Insurance | CA, 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 08:32 UTC.