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
- 70.5M
- 478 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 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
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion799
- Data breach (cause not stated)151
- Unauthorised access or disclosure62
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion799
- Data breach (cause not stated)151
- Unauthorised access or disclosure62
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion77%
- Data breach (cause not stated)15%
- Unauthorised access or disclosure6%
- Ransomware1%
- Infostealer logs0%
- Credential compilation (no single victim)0%
- 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 |
|---|---|---|---|---|---|---|
| 2020-01-01 | State of New York | Hacking / intrusion | Public Administration | NY, US | — | VCDB |
| 2020-01-01 | StorEnvy | Hacking / intrusion | Retail | CA, US | 1.5M records | VCDB |
| 2020-01-01 | Telegram | Hacking / intrusion | Information | TN, US | 2.0M records | VCDB |
| 2020-01-01 | Televisa | Error / misconfiguration | Information | MX | 150k records | VCDB |
| 2020-01-01 | Tokopedia | Hacking / intrusion | Retail | ID | 9.1M records | VCDB |
| 2020-01-01 | Town Sports International | Error / misconfiguration | Entertainment | NY, US | 600k records | VCDB |
| 2020-01-01 | Ukrainian Ministry of Infrastructure | Insider misuse | Public Administration | UA | — | VCDB |
| 2020-01-01 | Unacademy | Hacking / intrusion | Education | IN | 21.9M records | VCDB |
| 2020-01-01 | Unacademy | Hacking / intrusion | Education | IN | 11.0M records | VCDB |
| 2020-01-01 | Unnamed organisation | Hacking / intrusion | — | IL | — | VCDB |
| 2020-01-01 | Unnamed organisation | Hacking / intrusion | Construction | GB | 1 records | VCDB |
| 2020-01-01 | Virgin Media | Error / misconfiguration | Information | GB | 900k records | VCDB |
| 2020-01-01 | Wilson Parking | Theft or loss | Other Services | NZ | — | VCDB |
| 2020-01-01 | Wishbone | Hacking / intrusion | Information | US | 40.0M records | VCDB |
| 2020-01-01 | nCourt | Error / misconfiguration | Professional Services | GA, US | 1.4M records | VCDB |
| 2019-12-30 | Sonicbids sonicbids.com | Data breach (cause not stated) | — | — | 752k accounts | HIBP |
| 2019-12-26 | BtoBet btobet.com | Data breach (cause not stated) | — | — | 444k accounts | HIBP |
| 2019-12-17 | Avvo avvo.com | Data breach (cause not stated) | — | — | 4.1M accounts | HIBP |
| 2019-12-17 | GameSprite gamesprite.me | Data breach (cause not stated) | — | — | 6.2M accounts | HIBP |
| 2019-12-17 | Go Ninja goninja.de | Data breach (cause not stated) | — | — | 5.0M accounts | HIBP |
| 2019-12-16 | SoarGames soargames.com | Data breach (cause not stated) | — | — | 4.8M accounts | HIBP |
| 2019-12-14 | JoyGames joygames.me | Data breach (cause not stated) | — | — | 4.5M accounts | HIBP |
| 2019-12-14 | Unigame unigame.me | Data breach (cause not stated) | — | — | 844k accounts | HIBP |
| 2019-12-09 | Love, Bonito | Malware | Retail | SG | — | VCDB |
| 2019-12-09 | Walla Walla University | Ransomware | Education | WA, US | — | VCDB |
| 2019-12-08 | Nexus Mods | Hacking / intrusion | Information | US | — | VCDB |
| 2019-12-05 | Microsoft | Error / misconfiguration | Information | CA, US | 250.0M records | VCDB |
| 2019-12-04 | Wyze Labs | Error / misconfiguration | Manufacturing | WA, US | 2.4M records | VCDB |
| 2019-12-02 | Medical Diagnostic Laboratories | Ransomware | Professional Services | NJ, US | — | VCDB |
| 2019-12-01 | Advantage Capital Funding | Error / misconfiguration | Finance & Insurance | NY, US | 500k records | VCDB |
| 2019-12-01 | Airtel | Error / misconfiguration | Information | IN | 300.0M records | VCDB |
| 2019-12-01 | Allianz Partners | Theft or loss | Finance & Insurance | BE | 160k records | VCDB |
| 2019-12-01 | Center for Health Care Services | Ransomware | Healthcare | TX, US | — | VCDB |
| 2019-12-01 | Center for Health Care Services | Ransomware | Healthcare | TX, US | — | VCDB |
| 2019-12-01 | Hackensack Meridian Health | Ransomware | Healthcare | NJ, US | — | VCDB |
| 2019-12-01 | Hackensack Meridian Health | Ransomware | Healthcare | NJ, US | — | VCDB |
| 2019-12-01 | Oklahoma Department of Securities | Error / misconfiguration | Public Administration | OK, US | 300k records | VCDB |
| 2019-12-01 | Prison Rehabilitative Industries and Diversified Enterprises | Ransomware | Healthcare | FL, US | — | VCDB |
| 2019-12-01 | Unnamed organisation | Insider misuse | Finance & Insurance | IR | 15.0M records | VCDB |
| 2019-12-01 | Witchita State University | Hacking / intrusion | Education | KS, US | — | VCDB |
| 2019-11-30 | Gladsaxe Municipality | Theft or loss | Public Administration | DK | 20k records | VCDB |
| 2019-11-24 | TaiLieu tailieu.vn | Data breach (cause not stated) | — | — | 7.3M accounts | HIBP |
| 2019-11-24 | Telecom Fiber | Insider misuse | Information | FL, US | 4,000 records | VCDB |
| 2019-11-19 | Sweaty Betty | Malware | Retail | NY, US | — | VCDB |
| 2019-11-14 | Claremont NH Bank | Theft or loss | Finance & Insurance | NH, US | — | VCDB |
| 2019-11-12 | Conor Solutions | Error / misconfiguration | Professional Services | ZA | 1.0M records | VCDB |
| 2019-11-11 | Central Kansas Orthopedic Group | Ransomware | Healthcare | KS, US | 17k records | VCDB |
| 2019-11-08 | Rand Memorial Hospital | Unknown | Healthcare | GB | — | VCDB |
| 2019-11-02 | Government of Nunavut | Ransomware | Public Administration | CA-NU, CA | — | VCDB |
| 2019-11-02 | Singapore Police Department | Insider misuse | Public Administration | SG | — | 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 15:22 UTC.