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
890 incidents match, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2025-08-12 | Allianz Life | Hacking / intrusion | Finance & Insurance | MN, US | 1.5M records | VCDB |
| 2025-05-30 | Farmers Insurance | Hacking / intrusion | Finance & Insurance | CA, US | — | VCDB |
| 2024-10-10 | Unnamed Partner | Hacking / intrusion | Finance & Insurance | CA, US | — | VCDB |
| 2023-06-01 | AmeriServ Financial | Ransomware | Finance & Insurance | PA, US | — | VCDB |
| 2023-06-01 | American Express | Ransomware | Finance & Insurance | NY, US | — | VCDB |
| 2023-06-01 | American Fidelity | Ransomware | Finance & Insurance | OK, US | — | VCDB |
| 2023-06-01 | Ameriprise Financial | Ransomware | Finance & Insurance | MN, US | — | VCDB |
| 2023-06-01 | BRAZOS HIGHER EDUCATION AUTHORITY | Ransomware | Finance & Insurance | TX, US | — | VCDB |
| 2023-06-01 | Bank OZK | Ransomware | Finance & Insurance | AR, US | — | VCDB |
| 2023-06-01 | Bank of Burlington | Ransomware | Finance & Insurance | VT, US | — | VCDB |
| 2023-06-01 | Brighthouse Life Insurance Co. | Ransomware | Finance & Insurance | TN, US | — | VCDB |
| 2023-06-01 | CENTIER BANK | Ransomware | Finance & Insurance | IN, US | — | VCDB |
| 2023-06-01 | CITIZEN’S BANK | Ransomware | Finance & Insurance | RI, US | — | VCDB |
| 2023-06-01 | CMFG Life Insurance Company | Ransomware | Finance & Insurance | WI, US | — | VCDB |
| 2023-06-01 | Cadence Bank | Ransomware | Finance & Insurance | MS, US | — | VCDB |
| 2023-06-01 | CalPERS | Ransomware | Finance & Insurance | CA, US | — | VCDB |
| 2023-06-01 | Care N' Care Insurance Company | Ransomware | Finance & Insurance | TX, US | — | VCDB |
| 2023-06-01 | CareSource | Ransomware | Finance & Insurance | OH, US | — | VCDB |
| 2023-06-01 | Clear Spring Life and Annuity Company | Ransomware | Finance & Insurance | IN, US | — | VCDB |
| 2023-06-01 | Colony Bank | Ransomware | Finance & Insurance | GA, US | — | VCDB |
| 2023-06-01 | Columbia Banking System | Ransomware | Finance & Insurance | US | — | VCDB |
| 2023-06-01 | Corebridge Financial | Ransomware | Finance & Insurance | US | — | VCDB |
| 2023-06-01 | Delaware Life Insurance Company | Ransomware | Finance & Insurance | DE, US | — | VCDB |
| 2023-06-01 | Delaware Life Insurance Company | Ransomware | Finance & Insurance | DE, US | — | VCDB |
| 2023-06-01 | Disability Reinsurance Management Services | Ransomware | Finance & Insurance | US | — | VCDB |
| 2023-06-01 | Elips Life Insurance Co. | Ransomware | Finance & Insurance | MO, US | — | VCDB |
| 2023-06-01 | FIRSTMARK SERVICED TRUST | Ransomware | Finance & Insurance | NE, US | — | VCDB |
| 2023-06-01 | FIRSTSUN CAPITAL BANCORP | Ransomware | Finance & Insurance | CO, US | — | VCDB |
| 2023-06-01 | FIS Global | Ransomware | Finance & Insurance | FL, US | — | VCDB |
| 2023-06-01 | Fidelity victim_id_value Guaranty Life Insurance Company | Ransomware | Finance & Insurance | IA, US | — | VCDB |
| 2023-06-01 | First National Bankers Bank | Ransomware | Finance & Insurance | MS, US | — | VCDB |
| 2023-06-01 | Genworth North America Corporation | Ransomware | Finance & Insurance | VA, US | — | VCDB |
| 2023-06-01 | Hartford Life and Accident Insurance Company | Ransomware | Finance & Insurance | CT, US | — | VCDB |
| 2023-06-01 | Hilltop Holdings Inc. | Ransomware | Finance & Insurance | TX, US | — | VCDB |
| 2023-06-01 | Horizon Bank | Ransomware | Finance & Insurance | IN, US | — | VCDB |
| 2023-06-01 | Humana | Ransomware | Finance & Insurance | KY, US | — | VCDB |
| 2023-06-01 | Illumifin Corporation | Ransomware | Finance & Insurance | SC, US | — | VCDB |
| 2023-06-01 | Jackson Financial Inc. | Ransomware | Finance & Insurance | MI, US | — | VCDB |
| 2023-06-01 | KEYBANK NATIONAL ASSOCIATION | Ransomware | Finance & Insurance | OH, US | — | VCDB |
| 2023-06-01 | Lobel Financial Corporation | Ransomware | Finance & Insurance | CA, US | — | VCDB |
| 2023-06-01 | MPOWER FINANCING | Ransomware | Finance & Insurance | WA, US | — | VCDB |
| 2023-06-01 | Mass Mutual Ascend | Ransomware | Finance & Insurance | MA, US | — | VCDB |
| 2023-06-01 | Medibank | Ransomware | Finance & Insurance | TX, US | — | VCDB |
| 2023-06-01 | Members Life Insurance Company | Ransomware | Finance & Insurance | IA, US | — | VCDB |
| 2023-06-01 | MidFirst Bank | Ransomware | Finance & Insurance | OK, US | — | VCDB |
| 2023-06-01 | Mvictim_id_valueT Bank | Ransomware | Finance & Insurance | NY, US | — | VCDB |
| 2023-06-01 | NELNET INC. | Ransomware | Finance & Insurance | NE, US | — | VCDB |
| 2023-06-01 | NEW MEXICO STUDENT LOANS | Ransomware | Finance & Insurance | NM, US | — | VCDB |
| 2023-06-01 | Nassau Life and Annuity Co. | Ransomware | Finance & Insurance | CT, US | — | VCDB |
| 2023-06-01 | PACIFIC WESTERN BANK | Ransomware | Finance & Insurance | CA, 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 18:58 UTC.