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
- Credential compilation (no single victim)5
- Infostealer logs5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion797
- 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 / intrusion797
- 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 | 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 | |||||
| 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
11,847 incidents, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2020-10-07 | Pixlr pixlr.com | Data breach (cause not stated) | — | — | 1.9M accounts | HIBP |
| 2020-10-06 | Pray.com | Error / misconfiguration | Information | CA, US | 10.0M records | VCDB |
| 2020-10-05 | Chowbus chowbus.com | Data breach (cause not stated) | — | — | 444k accounts | HIBP |
| 2020-10-03 | Gravatar gravatar.com | Data breach (cause not stated) | — | — | 114.0M accounts | HIBP |
| 2020-10-03 | Software AG | Ransomware | Professional Services | DE | — | VCDB |
| 2020-10-02 | GeniusU geniusu.com | Data breach (cause not stated) | — | — | 1.3M accounts | HIBP |
| 2020-10-01 | Broadvoice | Error / misconfiguration | Information | US-CA, US | 10k records | VCDB |
| 2020-10-01 | Forex Broker | Error / misconfiguration | Finance & Insurance | NY, US | 16.0B records | VCDB |
| 2020-10-01 | Isentia | Ransomware | Information | AU | — | VCDB |
| 2020-10-01 | Nitro PDF maker | Hacking / intrusion | Professional Services | CA, US | 1.8M records | VCDB |
| 2020-09-28 | Nitro gonitro.com | Data breach (cause not stated) | — | — | 77.2M accounts | HIBP |
| 2020-09-26 | Cook County Illinois | Error / misconfiguration | Public Administration | IL, US | 323k records | VCDB |
| 2020-09-25 | Eskimi eskimi.com | Data breach (cause not stated) | — | — | 1.2M accounts | HIBP |
| 2020-09-24 | RaidForums raidforums.com | Data breach (cause not stated) | — | — | 479k accounts | HIBP |
| 2020-09-21 | Games Box gamesbox.com | Data breach (cause not stated) | — | — | 1.4M accounts | HIBP |
| 2020-09-19 | Horse Isle horseisle.com | Data breach (cause not stated) | — | — | 28k accounts | HIBP |
| 2020-09-17 | ShopBack shopback.com | Data breach (cause not stated) | — | — | 20.5M accounts | HIBP |
| 2020-09-14 | Shopper+ shopperplus.ca | Data breach (cause not stated) | — | — | 878k accounts | HIBP |
| 2020-09-13 | Slovakia Public Health | Error / misconfiguration | Public Administration | SK | 400k records | VCDB |
| 2020-09-12 | Microsoft | Error / misconfiguration | Information | WA, US | 10.0M records | VCDB |
| 2020-09-09 | University of Ottawa | Error / misconfiguration | Education | CA | — | VCDB |
| 2020-09-08 | Spokane Regional Health District | Error / misconfiguration | — | WA, US | — | VCDB |
| 2020-09-07 | Equinix | Ransomware | Information | CA, US | — | VCDB |
| 2020-09-07 | San Juan Medical Center | Hacking / intrusion | Healthcare | US | 500 records | VCDB |
| 2020-09-04 | RedDoorz reddoorz.com | Data breach (cause not stated) | — | — | 5.9M accounts | HIBP |
| 2020-09-01 | Centers for Advanced Orthopaedics | Hacking / intrusion | Healthcare | MD, US | 125k records | VCDB |
| 2020-09-01 | Louisiana State University | Hacking / intrusion | Education | LA, US | 185k records | VCDB |
| 2020-09-01 | The College of Nurses of Ontario (CNO) | Ransomware | Education | CA | — | VCDB |
| 2020-09-01 | United Health Services, Inc. | Ransomware | Healthcare | US | — | VCDB |
| 2020-09-01 | Uttar Pradesh government | Error / misconfiguration | Public Administration | IN | 8.0M records | VCDB |
| 2020-08-31 | Anglicare Sydney | Ransomware | Healthcare | AU | — | VCDB |
| 2020-08-31 | Unnamed organisation | Error / misconfiguration | Professional Services | BG | 1.9M records | VCDB |
| 2020-08-30 | Hopamedia | Credential compilation (no single victim) | — | — | 23.8M accounts | HIBP |
| 2020-08-29 | Livpure livpure.com | Data breach (cause not stated) | — | — | 270k accounts | HIBP |
| 2020-08-27 | Planned Parenthood of Metropolitan Washington DC | Hacking / intrusion | Healthcare | DC, US | — | VCDB |
| 2020-08-26 | Manitoba Children's Disability Services | Error / misconfiguration | Healthcare | MB, CA | 9,001 records | VCDB |
| 2020-08-20 | Freepik | Hacking / intrusion | Information | ES | 8.3M records | VCDB |
| 2020-08-19 | Experian (South Africa) | Credential compilation (no single victim) | — | — | 1.3M accounts | HIBP |
| 2020-08-19 | Unico Campania unicocampania.it | Data breach (cause not stated) | — | — | 166k accounts | HIBP |
| 2020-08-14 | Bonobos bonobos.com | Data breach (cause not stated) | — | — | 2.8M accounts | HIBP |
| 2020-08-14 | Global Tel Link | Error / misconfiguration | Information | US | 300k records | VCDB |
| 2020-08-14 | One Workplace | Ransomware | Professional Services | OR, US | — | VCDB |
| 2020-08-12 | RailYatri | Hacking / intrusion | Administrative | IN-DL, IN | — | VCDB |
| 2020-08-11 | Jefit jefit.com | Data breach (cause not stated) | — | — | 9.1M accounts | HIBP |
| 2020-08-11 | ShockGore shockgore.com | Data breach (cause not stated) | — | — | 74k accounts | HIBP |
| 2020-08-10 | RailYatri | Error / misconfiguration | Administrative | IN-DL, IN | 700k records | VCDB |
| 2020-08-06 | Shields Healthcare Group | Error / misconfiguration | Healthcare | MA, US | — | VCDB |
| 2020-08-05 | Isetan Mitsukoshi Co., Ltd | Hacking / intrusion | Retail | JP | 19k records | VCDB |
| 2020-08-01 | Barnes and Noble | Ransomware | Retail | US | — | VCDB |
| 2020-08-01 | Edureka | Error / misconfiguration | Education | IN-KA, IN | 2.0M 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 08:20 UTC.