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
179 incidents match, newest first.
| Date | Organisation | Type of attack | Sector | Where | Affected | Source |
|---|---|---|---|---|---|---|
| 2013-07-19 | GEO Care, LLC | Theft or loss | Administrative | FL, US | 710 records | VCDB |
| 2013-07-01 | ICS Collection Service | Error / misconfiguration | Administrative | BC, CA | 1,344 records | VCDB |
| 2013-06-01 | Kroll Background America, Inc. | Malware | Administrative | TN, US | — | VCDB |
| 2013-04-29 | Automatic Data Processing (ADP) | Error / misconfiguration | Administrative | NJ, US | — | VCDB |
| 2013-04-08 | Unknown | Theft or loss | Administrative | GB | 970 records | VCDB |
| 2013-03-27 | Dun & Bradstreet Corporation | Malware | Administrative | US | — | VCDB |
| 2013-03-05 | DataPak Services Corporation | Malware | Administrative | GA, US | — | VCDB |
| 2013-03-01 | Abtran Group Ltd | Insider misuse | Administrative | IE | 12 records | VCDB |
| 2013-03-01 | Dun & Bradstreet Corporation | Hacking / intrusion | Administrative | US | — | VCDB |
| 2013-03-01 | Rollins, Inc. | Error / misconfiguration | Administrative | GA, US | — | VCDB |
| 2013-03-01 | Tradebe Environmental Services | Theft or loss | Administrative | IL, US | — | VCDB |
| 2013-02-25 | Florida Association Management | Theft or loss | Administrative | FL, US | 5,000 records | VCDB |
| 2013-02-05 | Experian | Unknown | Administrative | CA, US | — | VCDB |
| 2013-01-18 | Wyndham Vacation Ownership | Insider misuse | Administrative | FL, US | — | VCDB |
| 2013-01-01 | Amaru Bolivia | Hacking / intrusion | Administrative | BO | — | VCDB |
| 2013-01-01 | Asiana Airlines Inc | Hacking / intrusion | Administrative | KR | 47k records | VCDB |
| 2013-01-01 | Equifax Inc | Hacking / intrusion | Administrative | GA, US | — | VCDB |
| 2013-01-01 | Lawrence Melrose Medical Electronic Record Inc | Insider misuse | Administrative | MA, US | 200 records | VCDB |
| 2013-01-01 | NJ Lenders Corporation | Theft or loss | Administrative | NJ, US | — | VCDB |
| 2013-01-01 | OCS America, Inc. | Phishing / social engineering | Administrative | NY, US | — | VCDB |
| 2013-01-01 | Savannah River Site | Unknown | Administrative | SC, US | 12k records | VCDB |
| 2013-01-01 | St. Joseph License Office | Phishing / social engineering | Administrative | MO, US | — | VCDB |
| 2013-01-01 | Zabian Anti-Corruption Commision | Hacking / intrusion | Administrative | ZM | — | VCDB |
| 2013-01-01 | habeas.be | Hacking / intrusion | Administrative | BE | 20k records | VCDB |
| 2012-12-31 | Staffing Solutions | Error / misconfiguration | Administrative | GA, US | — | VCDB |
| 2012-12-01 | Outdoor Network LLC | Malware | Administrative | FL, US | — | VCDB |
| 2012-12-01 | Vector Security | Error / misconfiguration | Administrative | PA, US | — | VCDB |
| 2012-11-30 | World Travel Holdings | Hacking / intrusion | Administrative | MA, US | — | VCDB |
| 2012-11-17 | Human Resources and Skills Development Canada | Error / misconfiguration | Administrative | CA | 5,000 records | VCDB |
| 2012-11-15 | Pinkerton Government Services | Theft or loss | Administrative | VA, US | — | VCDB |
| 2012-10-30 | Experian | Insider misuse | Administrative | CA, US | — | VCDB |
| 2012-10-23 | WorldVentures Marketing LLC | Hacking / intrusion | Administrative | TX, US | — | VCDB |
| 2012-05-31 | Public Works and Government Services Canada | Hacking / intrusion | Administrative | CA | — | VCDB |
| 2012-05-18 | LabelMaster | Hacking / intrusion | Administrative | IL, US | — | VCDB |
| 2012-05-01 | Experian | Unknown | Administrative | CA, US | 2 records | VCDB |
| 2012-05-01 | MRT Inc. | Insider misuse | Administrative | JP | 17k records | VCDB |
| 2012-04-11 | Experian | Insider misuse | Administrative | CA, US | — | VCDB |
| 2012-03-20 | StandardAero | Theft or loss | Administrative | AZ, US | — | VCDB |
| 2012-03-01 | British Pregnancy Advisory Service | Hacking / intrusion | Administrative | GB | 10k records | VCDB |
| 2012-03-01 | Experian | Insider misuse | Administrative | CA, US | — | VCDB |
| 2012-02-13 | Experian | Insider misuse | Administrative | CA, US | — | VCDB |
| 2012-01-31 | Experian | Insider misuse | Administrative | CA, US | — | VCDB |
| 2012-01-31 | Smile Designs | Theft or loss | Administrative | FL, US | 1,670 records | VCDB |
| 2012-01-01 | Drake International | Hacking / intrusion | Administrative | CA | — | VCDB |
| 2012-01-01 | Experian | Insider misuse | Administrative | CA, US | — | VCDB |
| 2012-01-01 | Fitch Ratings Lanka Limited | Hacking / intrusion | Administrative | LK | 886 records | VCDB |
| 2012-01-01 | Korea Credit Bureau | Insider misuse | Administrative | KR | 104.0M records | VCDB |
| 2012-01-01 | Korn/Ferry International | Hacking / intrusion | Administrative | CA, US | — | VCDB |
| 2012-01-01 | LSU Health | Insider misuse | Administrative | LA, US | 400 records | VCDB |
| 2012-01-01 | Manpower UK Ltd | Error / misconfiguration | Administrative | GB | 400 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 2026-10-13 17:10 UTC.