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
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion792
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- Ransomware9
- Infostealer logs5
- Credential compilation (no single victim)5
- Theft or loss4
- Error / misconfiguration1
- Hacking / intrusion792
- Data breach (cause not stated)150
- Unauthorised access or disclosure60
- 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 | 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 |
|---|---|---|---|---|---|---|
| 2017-09-01 | BNI Bank | Theft or loss | Finance & Insurance | IN | — | VCDB |
| 2017-09-01 | MainSource Bank | Theft or loss | Finance & Insurance | OH, US | — | VCDB |
| 2017-09-01 | SunTrust Bank | Theft or loss | Finance & Insurance | FL, US | — | VCDB |
| 2017-08-25 | Sun Trust Bank | Theft or loss | Finance & Insurance | FL, US | — | VCDB |
| 2017-08-25 | Verdian Credit Union | Theft or loss | Finance & Insurance | IA, US | — | VCDB |
| 2017-08-02 | TD Bank | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2017-08-01 | Network Health | Phishing / social engineering | Finance & Insurance | WI, US | 51k records | VCDB |
| 2017-08-01 | Golden 1 Credit Union | Theft or loss | Finance & Insurance | CA, US | — | VCDB |
| 2017-07-26 | TSB Bank | Theft or loss | Finance & Insurance | GB-MDB, GB | — | VCDB |
| 2017-07-25 | Florida Healthy Kids Corporation | Hacking / intrusion | Finance & Insurance | FL, US | 2,000 records | VCDB |
| 2017-07-23 | Natwest Bank | Theft or loss | Finance & Insurance | GB | — | VCDB |
| 2017-07-15 | City National Bank | Theft or loss | Finance & Insurance | FL, US | — | VCDB |
| 2017-07-11 | Missouri Managed Care Healthcare | Error / misconfiguration | Finance & Insurance | Missouri , US | 1,223 records | VCDB |
| 2017-07-08 | Wells Fargo Bank | Error / misconfiguration | Finance & Insurance | NY, US | 50k records | VCDB |
| 2017-07-01 | Aetna | Error / misconfiguration | Finance & Insurance | CT, US | 12k records | VCDB |
| 2017-07-01 | Bank of Saga | Insider misuse | Finance & Insurance | JP | 139 records | VCDB |
| 2017-07-01 | Blue Cross Blue Shield of Tenessee | Error / misconfiguration | Finance & Insurance | TN, US | 2,100 records | VCDB |
| 2017-07-01 | Firstrust Bank | Theft or loss | Finance & Insurance | PA, US | — | VCDB |
| 2017-06-29 | Kabu.com | Hacking / intrusion | Finance & Insurance | JP | — | VCDB |
| 2017-06-14 | US Bancorp | Theft or loss | Finance & Insurance | NE, US | — | VCDB |
| 2017-06-01 | Kentucky Workers' Compensation Fund | Ransomware | Finance & Insurance | KY, US | — | VCDB |
| 2017-06-01 | TRUEbenefits | Phishing / social engineering | Finance & Insurance | US | — | VCDB |
| 2017-05-05 | Bank of Little Rock | Insider misuse | Finance & Insurance | AK, US | — | VCDB |
| 2017-05-01 | DOW Jones | Error / misconfiguration | Finance & Insurance | NY, US | 2.2M records | VCDB |
| 2017-04-01 | NSWC Federal Credit Union | Theft or loss | Finance & Insurance | VA, US | 143 records | VCDB |
| 2017-03-16 | SunTrust | Theft or loss | Finance & Insurance | FL, US | — | VCDB |
| 2017-03-01 | TCM Bank | Error / misconfiguration | Finance & Insurance | US | — | VCDB |
| 2017-02-11 | GTE Financial Credit Union | Theft or loss | Finance & Insurance | FL, US | — | VCDB |
| 2017-02-01 | Bridgehampton National Bank | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2017-01-27 | eHealthInsurance | Phishing / social engineering | Finance & Insurance | WY, US | — | VCDB |
| 2017-01-01 | Aadhaar | Malware | Finance & Insurance | IN | 88k records | VCDB |
| 2017-01-01 | Aetna | Error / misconfiguration | Finance & Insurance | NY, US | 1,708 records | VCDB |
| 2017-01-01 | Barclays | Error / misconfiguration | Finance & Insurance | GB | — | VCDB |
| 2017-01-01 | BayPort Credit Union | Theft or loss | Finance & Insurance | VA, US | — | VCDB |
| 2017-01-01 | Cypriot Brokerage | Hacking / intrusion | Finance & Insurance | CY | 2,200 records | VCDB |
| 2017-01-01 | FFrees | Error / misconfiguration | Finance & Insurance | GB | 95k records | VCDB |
| 2017-01-01 | U.S. Bank | Theft or loss | Finance & Insurance | US | — | VCDB |
| 2017-01-01 | Wonga | Hacking / intrusion | Finance & Insurance | GB | 270k records | VCDB |
| 2016-12-01 | ANZ Bank | Insider misuse | Finance & Insurance | NZ | — | VCDB |
| 2016-11-16 | U.S. Bank | Insider misuse | Finance & Insurance | US | 1 records | VCDB |
| 2016-11-14 | TSYS Merchant Solutions | Error / misconfiguration | Finance & Insurance | NE, US | — | VCDB |
| 2016-11-01 | Horizon Blue Cross Blue Shield of New Jersey | Error / misconfiguration | Finance & Insurance | NJ, US | 170k records | VCDB |
| 2016-10-31 | Horizon Blue Cross Blue Shield of New Jersey | Error / misconfiguration | Finance & Insurance | NJ, US | 170k records | VCDB |
| 2016-10-01 | Group Health, Inc. | Error / misconfiguration | Finance & Insurance | NY, US | — | VCDB |
| 2016-10-01 | Knappschaft | Error / misconfiguration | Finance & Insurance | DE | 1 records | VCDB |
| 2016-10-01 | Manitoba Public Insurance | Insider misuse | Finance & Insurance | CA | 31 records | VCDB |
| 2016-10-01 | Premier Bank | Theft or loss | Finance & Insurance | mn, US | — | VCDB |
| 2016-09-16 | LV | Phishing / social engineering | Finance & Insurance | GB | — | VCDB |
| 2016-09-06 | Aetna | Error / misconfiguration | Finance & Insurance | CT, US | 850 records | VCDB |
| 2016-09-01 | M. Holdings Securities | Theft or loss | Finance & Insurance | OR, 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 20:29 UTC.