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 |
|---|---|---|---|---|---|---|
| 2017-12-21 | Lyrics Mania lyricsmania.com | Data breach (cause not stated) | — | — | 109k accounts | HIBP |
| 2017-12-21 | Subway | Error / misconfiguration | Accommodation & Food | ENG, GB | 181 records | VCDB |
| 2017-12-20 | 2fast4u 2fast4u.be | Data breach (cause not stated) | — | — | 18k accounts | HIBP |
| 2017-12-20 | Rite Aid | Theft or loss | Retail | US | — | VCDB |
| 2017-12-16 | Dr. Ruben U. Carvajal, MD | Hacking / intrusion | Healthcare | NY, US | 3,775 records | VCDB |
| 2017-12-12 | Brushy Creek Market | Theft or loss | Retail | US-TX, US | — | VCDB |
| 2017-12-12 | Stanislaus County | Ransomware | Healthcare | CA, US | — | VCDB |
| 2017-12-11 | Jerome School District | Ransomware | Education | ID, US | — | VCDB |
| 2017-12-11 | Klook | Malware | Administrative | HK | — | VCDB |
| 2017-12-09 | PetFlow petflow.com | Data breach (cause not stated) | — | — | 991k accounts | HIBP |
| 2017-12-07 | Netshoes netshoes.com.br | Data breach (cause not stated) | — | — | 500k accounts | HIBP |
| 2017-12-07 | piZap pizap.com | Data breach (cause not stated) | — | — | 41.8M accounts | HIBP |
| 2017-12-06 | thesy, llc | Malware | Retail | US-CA, US | — | VCDB |
| 2017-12-05 | Albemarle County, VA | Hacking / intrusion | Public Administration | VA, US | 6 records | VCDB |
| 2017-12-05 | Mecklenburg County | Ransomware | Public Administration | NC, US | — | VCDB |
| 2017-12-05 | ai.type aitype.com | Data breach (cause not stated) | — | — | 20.6M accounts | HIBP |
| 2017-12-05 | dvd-shop.ch dvd-shop.ch | Data breach (cause not stated) | — | — | 68k accounts | HIBP |
| 2017-12-01 | Ai.type | Error / misconfiguration | Information | IL | 31.3M records | VCDB |
| 2017-12-01 | Alteryx | Error / misconfiguration | Information | US | 12.0M records | VCDB |
| 2017-12-01 | Capita | Error / misconfiguration | Professional Services | GB | — | VCDB |
| 2017-12-01 | Children's Mercy Hospital | Hacking / intrusion | Healthcare | MO, US | 63k records | VCDB |
| 2017-12-01 | Hudson Valley Federal Credit Union | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2017-12-01 | Idexx | Phishing / social engineering | Professional Services | ME, US | — | VCDB |
| 2017-12-01 | Nissan Canada Finance | Hacking / intrusion | Finance & Insurance | CA | 1.3M records | VCDB |
| 2017-12-01 | Parklea Jail | Theft or loss | Public Administration | AU-NSW, AU | 1 records | VCDB |
| 2017-12-01 | Timehop | Hacking / intrusion | Information | US | 21.0M records | VCDB |
| 2017-12-01 | Women’s Health Consultants | Error / misconfiguration | Healthcare | PA, US | — | VCDB |
| 2017-11-29 | Teal, Becker & Chiaramonte, CPAs | Ransomware | Professional Services | NY, US | 50 records | VCDB |
| 2017-11-28 | Open CS:GO opencsgo.com | Data breach (cause not stated) | — | — | 512k accounts | HIBP |
| 2017-11-21 | TheTVDB.com thetvdb.com | Data breach (cause not stated) | — | — | 182k accounts | HIBP |
| 2017-11-16 | St. Lawrence Psychiatric Center | Theft or loss | Healthcare | NY, US | 2 records | VCDB |
| 2017-11-12 | Exxon | Theft or loss | Retail | MD, US | — | VCDB |
| 2017-11-10 | Bauer Media | Hacking / intrusion | Manufacturing | SE | — | VCDB |
| 2017-11-10 | TIO Networks | Hacking / intrusion | Information | CA | 1.6M records | VCDB |
| 2017-11-09 | Rutgers University | Error / misconfiguration | Education | NJ, US | 1,700 records | VCDB |
| 2017-11-08 | Prince Albert Police Department | Hacking / intrusion | Public Administration | CA | — | VCDB |
| 2017-11-05 | University of East Anglia | Error / misconfiguration | Education | GB | 1 records | VCDB |
| 2017-11-01 | Scottish Appropriate Adult Network | Error / misconfiguration | Healthcare | GB | 50 records | VCDB |
| 2017-11-01 | Calvary Public Hospital Bruce | Error / misconfiguration | Healthcare | AU | 3 records | VCDB |
| 2017-11-01 | Colorado Mental Health Institute at Pueblo | Hacking / intrusion | Healthcare | CO, US | 650 records | VCDB |
| 2017-11-01 | DJI | Error / misconfiguration | Manufacturing | CN | — | VCDB |
| 2017-11-01 | Fasten | Error / misconfiguration | Transportation | MA, US | 1.0M records | VCDB |
| 2017-11-01 | Malaysian Dental Association | Hacking / intrusion | Healthcare | MY | — | VCDB |
| 2017-11-01 | Nunavut Department of Health | Error / misconfiguration | Public Administration | CA | — | VCDB |
| 2017-11-01 | Philippine Drug Enforcement Agency | Error / misconfiguration | Public Administration | PH | 1 records | VCDB |
| 2017-11-01 | Red Rose | Error / misconfiguration | Information | IE-D, IE | — | VCDB |
| 2017-11-01 | St. Canices Credit Union | Error / misconfiguration | Finance & Insurance | IE | — | VCDB |
| 2017-11-01 | Unnamed organisation | Error / misconfiguration | — | AU | 48k records | VCDB |
| 2017-11-01 | Washburn Computer Group | Hacking / intrusion | Other Services | MN, US | — | VCDB |
| 2017-11-01 | Wellington Hospital | Error / misconfiguration | Healthcare | NZ | 6 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 2026-10-17 05:39 UTC.