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
- 473 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 | |||||
| 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
11,840 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2025-08-21 | Megaport | Hacking / intrusion | Professional Services | AU | — | VCDB |
| 2025-08-21 | Sigma Computing | Hacking / intrusion | Professional Services | CA, US | — | VCDB |
| 2025-08-21 | Vital Imaging Medical Diagnostic Centers, LLC | Hacking / intrusion | Healthcare | FL, US | 112k people | HHS |
| 2025-08-20 | Arkansas Primary Care Clinic | Hacking / intrusion | Healthcare | AR, US | 2,491 people | HHS |
| 2025-08-20 | Pagerduty | Hacking / intrusion | Information | CA, US | — | VCDB |
| 2025-08-19 | MRI Associates of St. Pete, Inc. d/b/a Saint Pete MRI | Hacking / intrusion | Healthcare | FL, US | 138k people | HHS |
| 2025-08-19 | Revere Health PC | Hacking / intrusion | Healthcare | UT, US | 605 people | HHS |
| 2025-08-18 | Bevel Health Medical Group | Unauthorised access or disclosure | Healthcare | PA, US | 510 people | HHS |
| 2025-08-18 | CareTracker, Inc. | Hacking / intrusion | Healthcare | NY, US | 501 people | HHS |
| 2025-08-18 | Pediatric Otolaryngology Head & Neck Surgery Associates, P.A. | Hacking / intrusion | Healthcare | FL, US | 43k people | HHS |
| 2025-08-17 | 1-800Accountant | Hacking / intrusion | Professional Services | NY, US | — | VCDB |
| 2025-08-17 | Marriott | Hacking / intrusion | Accommodation & Food | MD, US | — | VCDB |
| 2025-08-16 | DATA I/O CORP | Hacking / intrusion | Manufacturing | WA, US | — | SEC 8-K |
| 2025-08-15 | Alert Medical Alarms | Hacking / intrusion | Healthcare | PA, US | 39k people | HHS |
| 2025-08-15 | CPAP Medical Supplies and Services Inc. | Hacking / intrusion | Healthcare | FL, US | 90k people | HHS |
| 2025-08-15 | Lake City Cancer Care, LLC | Hacking / intrusion | Healthcare | FL, US | 9,980 people | HHS |
| 2025-08-15 | Mower County Health and Human Services | Hacking / intrusion | Healthcare | MN, US | 501 people | HHS |
| 2025-08-15 | Welcome Dentistry-Anaheim | Hacking / intrusion | Healthcare | CA, US | 1,001 people | HHS |
| 2025-08-13 | Fastly | Hacking / intrusion | Information | CA, US | — | VCDB |
| 2025-08-13 | Welcome Dentistry-Los Angeles | Hacking / intrusion | Healthcare | CA, US | 1,001 people | HHS |
| 2025-08-12 | Allianz Life | Hacking / intrusion | Finance & Insurance | MN, US | 1.5M records | VCDB |
| 2025-08-12 | Pantheon | Hacking / intrusion | Professional Services | CA, US | — | VCDB |
| 2025-08-12 | Toast | Hacking / intrusion | Professional Services | MA, US | — | VCDB |
| 2025-08-12 | Tombigbee Healthcare Authority dba Whitfield Regional Hospital | Hacking / intrusion | Healthcare | AL, US | 58k people | HHS |
| 2025-08-11 | BreachForums (2025) breachforums.hn | Data breach (cause not stated) | — | — | 672k accounts | HIBP |
| 2025-08-11 | Dr. Doug's Pediatric Dentistry | Hacking / intrusion | Healthcare | UT, US | 3,590 people | HHS |
| 2025-08-09 | Giglio giglio.com | Data breach (cause not stated) | — | — | 1.0M accounts | HIBP |
| 2025-08-09 | Mission City Community Network, Inc. | Hacking / intrusion | Healthcare | CA, US | 11k people | HHS |
| 2025-08-08 | Aflac Incorporated (“Aflac”) | Hacking / intrusion | Healthcare | GA, US | 13.9M people | HHS |
| 2025-08-08 | Cato Networks | Hacking / intrusion | Information | IL | — | VCDB |
| 2025-08-08 | Center for Disability Services, Inc. | Hacking / intrusion | Healthcare | NY, US | 3,343 people | HHS |
| 2025-08-07 | Houghton Mifflin Harcourt (HMH) | Hacking / intrusion | Information | MA, US | — | VCDB |
| 2025-08-05 | Oglethorpe, Inc. | Hacking / intrusion | Healthcare | FL, US | 92k people | HHS |
| 2025-08-05 | South Coast Pediatrics | Hacking / intrusion | Healthcare | CA, US | 7,000 people | HHS |
| 2025-08-04 | Bouygues Telecom bouyguestelecom.fr | Data breach (cause not stated) | — | — | 5.7M accounts | HIBP |
| 2025-08-04 | Intradev | Hacking / intrusion | Information | GB | — | VCDB |
| 2025-08-04 | MDLand International Corporation | Hacking / intrusion | Healthcare | NY, US | 23k people | HHS |
| 2025-08-04 | Westminster Village Greenwood, Inc. | Hacking / intrusion | Healthcare | IN, US | 14k people | HHS |
| 2025-08-01 | ContentSquare | Hacking / intrusion | Information | FR | — | VCDB |
| 2025-08-01 | DaVita Inc. | Hacking / intrusion | Healthcare | CO, US | 2.7M people | HHS |
| 2025-08-01 | Highlands Oncology Group PA | Hacking / intrusion | Healthcare | AR, US | 112k people | HHS |
| 2025-08-01 | Langdon & Company, LLP Certified Public Accountants | Hacking / intrusion | Healthcare | NC, US | 46k people | HHS |
| 2025-07-31 | Vail Summit Orthopaedics | Hacking / intrusion | Healthcare | CO, US | 5,044 people | HHS |
| 2025-07-30 | Pi-hole pi-hole.net | Data breach (cause not stated) | — | — | 30k accounts | HIBP |
| 2025-07-29 | Compass Counseling Services, LLC | Hacking / intrusion | Healthcare | FL, US | 5,440 people | HHS |
| 2025-07-29 | PhyNet Dermatology, LLC | Hacking / intrusion | Healthcare | TN, US | 1,308 people | HHS |
| 2025-07-28 | TransUnion | Hacking / intrusion | Administrative | IL, US | 4.4M records | VCDB |
| 2025-07-25 | Hello Cake hellocake.com | Data breach (cause not stated) | — | — | 23k accounts | HIBP |
| 2025-07-25 | Northwest Denture Center, Inc. | Hacking / intrusion | Healthcare | WA, US | 19k people | HHS |
| 2025-07-24 | McKenzie Memorial Hospital | Hacking / intrusion | Healthcare | MI, US | 59k 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 2026-10-14 02:36 UTC.