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
- 614
- last 12 months, every source
- People in US health breaches
- 70.4M
- 474 breaches reported to HHS
- Material incidents, US listed firms
- 23
- 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 sectorHealthcare748 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 / intrusion793
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion793
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion793
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- 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 | 681 | 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 (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
11,840 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2025-11-26 | Persante Health Care | Hacking / intrusion | Healthcare | NJ, US | 112k people | HHS |
| 2025-11-25 | Central Kansas Mental Health Center | Hacking / intrusion | Healthcare | KS, US | 81k people | HHS |
| 2025-11-25 | Suno suno.com | Data breach (cause not stated) | — | — | 55.3M accounts | HIBP |
| 2025-11-25 | Tanner Medical Center | Unauthorised access or disclosure | Healthcare | GA, US | 1,000 people | HHS |
| 2025-11-24 | Davies, McFarland & Carroll LLC | Hacking / intrusion | Healthcare | PA, US | 55k people | HHS |
| 2025-11-24 | Greater Meridian Health Clinic, Inc. | Hacking / intrusion | Healthcare | MS, US | 4,651 people | HHS |
| 2025-11-24 | VITAS Hospice Services, LLC | Hacking / intrusion | Healthcare | FL, US | 319k people | HHS |
| 2025-11-21 | Millcreek Pediatrics | Hacking / intrusion | Healthcare | DE, US | 14k people | HHS |
| 2025-11-21 | Nura PLLC | Hacking / intrusion | Healthcare | MN, US | 5,207 people | HHS |
| 2025-11-20 | Dr. Michael Kaplan DO PC DBA Long Island Weight Loss Institute | Hacking / intrusion | Healthcare | NY, US | 3,426 people | HHS |
| 2025-11-20 | Fieldtex Products, Inc. | Hacking / intrusion | Healthcare | NY, US | 239k people | HHS |
| 2025-11-20 | Wyandot Behavioral Health Network | Hacking / intrusion | Healthcare | KS, US | 27k people | HHS |
| 2025-11-19 | Anchorage Neighborhood Health Center | Hacking / intrusion | Healthcare | AK, US | 71k people | HHS |
| 2025-11-19 | County of Catawba | Hacking / intrusion | Healthcare | NC, US | 500 people | HHS |
| 2025-11-19 | NAHGA Claim Services | Hacking / intrusion | Healthcare | ME, US | 22k people | HHS |
| 2025-11-19 | Personic Management Company LLC | Hacking / intrusion | Healthcare | VA, US | 11k people | HHS |
| 2025-11-18 | Capitol Premier Dental Group | Unauthorised access or disclosure | Healthcare | CO, US | 1,559 people | HHS |
| 2025-11-18 | Dermatology Associates of Concord | Hacking / intrusion | Healthcare | MA, US | 501 people | HHS |
| 2025-11-18 | Marrs Ear, Nose & Throat, PA | Unauthorised access or disclosure | Healthcare | FL, US | 6,376 people | HHS |
| 2025-11-17 | Cary Pediatric Center, PA | Hacking / intrusion | Healthcare | NC, US | 26k people | HHS |
| 2025-11-17 | Under Armour underarmour.com | Data breach (cause not stated) | — | — | 72.7M accounts | HIBP |
| 2025-11-15 | CodeStepByStep codestepbystep.com | Data breach (cause not stated) | — | — | 103k accounts | HIBP |
| 2025-11-13 | Eurofiber eurofiber.com | Data breach (cause not stated) | — | — | 10k accounts | HIBP |
| 2025-11-13 | Operation Endgame 3.0 | Credential compilation (no single victim) | — | — | 2.0M accounts | HIBP |
| 2025-11-11 | International Kiteboarding Organization ikointl.com | Data breach (cause not stated) | — | — | 340k accounts | HIBP |
| 2025-11-10 | Morton Drug Company | Hacking / intrusion | Healthcare | WI, US | 40k people | HHS |
| 2025-11-09 | Beckett Collectibles beckett.com | Data breach (cause not stated) | — | — | 1.0M accounts | HIBP |
| 2025-11-07 | Loving and Living Center, PC dba Awakenings Center | Hacking / intrusion | Healthcare | NC, US | 18k people | HHS |
| 2025-11-07 | Marshfield Clinic Health System | Hacking / intrusion | Healthcare | WI, US | 36k people | HHS |
| 2025-11-06 | Archer Health | Hacking / intrusion | Healthcare | CA, US | 4,285 people | HHS |
| 2025-11-06 | The Chase Group Employee Benefit Plan | Hacking / intrusion | Healthcare | NM, US | 817 people | HHS |
| 2025-11-06 | Zilvia.net zilvia.net | Data breach (cause not stated) | — | — | 288k accounts | HIBP |
| 2025-11-05 | Denton MHMR Center | Hacking / intrusion | Healthcare | TX, US | 109k people | HHS |
| 2025-11-05 | Tampa Bay Treatment Associates | Theft or loss | Healthcare | FL, US | 3,682 people | HHS |
| 2025-10-31 | Beverly Hills Oncology Medical Group | Hacking / intrusion | Healthcare | CA, US | 58k people | HHS |
| 2025-10-31 | Expert MRI | Hacking / intrusion | Healthcare | CA, US | 210k people | HHS |
| 2025-10-31 | Judson Center | Hacking / intrusion | Healthcare | MI, US | 976 people | HHS |
| 2025-10-31 | Tri Century Eye Care PC | Hacking / intrusion | Healthcare | PA, US | 200k people | HHS |
| 2025-10-30 | University of Pennsylvania upenn.edu | Data breach (cause not stated) | — | — | 624k accounts | HIBP |
| 2025-10-28 | BayFirst Financial Corp. | Hacking / intrusion | Finance, Insurance & Real Estate | FL, US | — | SEC 8-K |
| 2025-10-28 | Better Vision Eyecare, LLC | Unauthorised access or disclosure | Healthcare | AZ, US | 501 people | HHS |
| 2025-10-28 | Northwest Radiologists, Inc./Mount Baker Imaging | Hacking / intrusion | Healthcare | WA, US | 363k people | HHS |
| 2025-10-27 | Health Management Systems of America | Hacking / intrusion | Healthcare | MI, US | 4,213 people | HHS |
| 2025-10-27 | REACH, Inc | Hacking / intrusion | Healthcare | AK, US | 1,195 people | HHS |
| 2025-10-25 | VirMedice, LLC | Hacking / intrusion | Healthcare | AZ, US | 1,000 people | HHS |
| 2025-10-24 | MyVidster (2025) myvidster.com | Data breach (cause not stated) | — | — | 3.9M accounts | HIBP |
| 2025-10-24 | Physicians to Children & Adolescents | Hacking / intrusion | Healthcare | KY, US | 9,536 people | HHS |
| 2025-10-24 | Southwest Urology | Hacking / intrusion | Healthcare | OH, US | 1,310 people | HHS |
| 2025-10-23 | Legacy Health, LLC | Unauthorised access or disclosure | Healthcare | TX, US | 6,547 people | HHS |
| 2025-10-23 | Michael R. Schwartz, MD Inc. | Hacking / intrusion | Healthcare | CA, US | 9,809 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 23:45 UTC.