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
- 474 breaches reported to HHS
- Material incidents, US listed firms
- 22
- 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 sectorHealthcare747 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 disclosureDouble CounterData breach (cause not stated) · 4 Oct 2026 · HIBP
2Trends
The last 24 months, dated when the incident happened where the source says, otherwise when it was reported.
- Hacking / intrusion792
- 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 / intrusion792
- 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 / intrusion792
- 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 | 680 | 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 (29 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 |
| 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 |
| Radiology Associates of Richmond · Healthcare | 2 | 1 Jul 2025 – 21 May 2026 | Hacking / intrusion | HHS |
6All incidents
209 incidents match, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2014-01-01 | State Bar of Nevada | Theft or loss | Other Services | NV, US | — | VCDB |
| 2014-01-01 | ThruWay Service Area | Insider misuse | Other Services | NY, US | — | VCDB |
| 2014-01-01 | billorielly.com | Hacking / intrusion | Other Services | US | — | VCDB |
| 2013-12-05 | UK Council for Graduate Education | Hacking / intrusion | Other Services | GB | — | VCDB |
| 2013-11-08 | L.A. Gay & Lesbian Center | Hacking / intrusion | Other Services | CA, US | — | VCDB |
| 2013-11-01 | NATO Cooperative Cyber Defence Centre of Excellence | Hacking / intrusion | Other Services | EE | — | VCDB |
| 2013-10-14 | Pirate Party of Germany | Hacking / intrusion | Other Services | DE | — | VCDB |
| 2013-10-02 | Baseball Canada | Hacking / intrusion | Other Services | CA | — | VCDB |
| 2013-10-01 | Suddenly Single Parents Inc. | Theft or loss | Other Services | GA, US | — | VCDB |
| 2013-09-17 | L.A. Gay & Lesbian Center | Hacking / intrusion | Other Services | CA, US | 59k records | VCDB |
| 2013-09-08 | United States College Hockey Association | Malware | Other Services | US | — | VCDB |
| 2013-09-06 | Society of Information Risk Analysts | Hacking / intrusion | Other Services | US | — | VCDB |
| 2013-09-02 | Ho Yeow Sun | Hacking / intrusion | Other Services | SG | — | VCDB |
| 2013-08-20 | English Defence League | Hacking / intrusion | Other Services | GB | 40 records | VCDB |
| 2013-08-14 | Outbrain Inc. | Hacking / intrusion | Other Services | NY, US | 1 records | VCDB |
| 2013-08-01 | Pirate Party Germany | Hacking / intrusion | Other Services | DE | — | VCDB |
| 2013-07-01 | Spain People's Party | Hacking / intrusion | Other Services | ES | — | VCDB |
| 2013-04-01 | Clive Palmer Political Campaign | Theft or loss | Other Services | AU | — | VCDB |
| 2013-03-13 | Certified General Accountants Association of B.C. | Error / misconfiguration | Other Services | BC, CA | 4,600 records | VCDB |
| 2013-03-12 | Lawrence Melrose Medical Electronic Record, Inc. | Insider misuse | Other Services | MA, US | — | VCDB |
| 2013-03-01 | Clinton Health Access Initiative | Error / misconfiguration | Other Services | MA, US | 107 records | VCDB |
| 2013-03-01 | Jakarta Body Shops | Insider misuse | Other Services | Unknown | — | VCDB |
| 2013-02-17 | Mortonhall | Theft or loss | Other Services | GB | — | VCDB |
| 2013-01-25 | The Public Whip | Hacking / intrusion | Other Services | GB | 80k records | VCDB |
| 2013-01-01 | AARP | Unknown | Other Services | DC, US | — | VCDB |
| 2013-01-01 | AR Sergio Massa | Hacking / intrusion | Other Services | AR | — | VCDB |
| 2013-01-01 | AVEGID | Hacking / intrusion | Other Services | VE | — | VCDB |
| 2013-01-01 | All India Anna Dravida Munnetra Kazhagam (AIADMK) | Hacking / intrusion | Other Services | IN | — | VCDB |
| 2013-01-01 | American Choral Directors Association | Hacking / intrusion | Other Services | US | 600 records | VCDB |
| 2013-01-01 | Big Brothers, Big Sisters | Insider misuse | Other Services | MI, US | — | VCDB |
| 2013-01-01 | California Beach Erosion Authority for Clean Oceans and Nourishment | Hacking / intrusion | Other Services | CA, US | — | VCDB |
| 2013-01-01 | City of Cuero, TX | Insider misuse | Other Services | Unknown | — | VCDB |
| 2013-01-01 | Cupid Media | Hacking / intrusion | Other Services | AU | 42.0M records | VCDB |
| 2013-01-01 | Director's Guild of Canada | Hacking / intrusion | Other Services | CA | 2,041 records | VCDB |
| 2013-01-01 | Federal Bar Association | Hacking / intrusion | Other Services | GA, US | — | VCDB |
| 2013-01-01 | Fleetpro, Inc. | Unknown | Other Services | MD, US | 2 records | VCDB |
| 2013-01-01 | German Chamber of Commerce | Hacking / intrusion | Other Services | DE | — | VCDB |
| 2013-01-01 | Investment Industry Regulatory Organization of Canada | Error / misconfiguration | Other Services | CA | — | VCDB |
| 2013-01-01 | Karmei Hesed | Hacking / intrusion | Other Services | IL | — | VCDB |
| 2013-01-01 | Lakewood Church | Theft or loss | Other Services | TX, US | — | VCDB |
| 2013-01-01 | Mounted Police Professional Association of Canada | Error / misconfiguration | Other Services | CA | — | VCDB |
| 2013-01-01 | Newcastle Citizen's Advice Bureau | Error / misconfiguration | Other Services | GB | 1,300 records | VCDB |
| 2013-01-01 | Peruvian Association of Authors and Composers | Hacking / intrusion | Other Services | PE | — | VCDB |
| 2013-01-01 | Pirate Party of Germany | Hacking / intrusion | Other Services | DE | — | VCDB |
| 2013-01-01 | Prince Edward Island School Systems | Insider misuse | Other Services | PE, CA | — | VCDB |
| 2013-01-01 | Sacred Art Tattoo | Error / misconfiguration | Other Services | MI, US | — | VCDB |
| 2013-01-01 | Seventh-day Adventist Church | Phishing / social engineering | Other Services | MD, US | — | VCDB |
| 2013-01-01 | THE GREEN MOUNTAIN CLUB INC | Hacking / intrusion | Other Services | VT, US | — | VCDB |
| 2013-01-01 | U.S. Department of Labor | Malware | Other Services | DC, US | — | VCDB |
| 2013-01-01 | US Barack Obama | Hacking / intrusion | Other Services | 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 2026-10-13 17:10 UTC.