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 |
|---|---|---|---|---|---|---|
| 2025-10-20 | SK shieldus | Hacking / intrusion | Administrative | KP | — | VCDB |
| 2025-07-28 | TransUnion | Hacking / intrusion | Administrative | IL, US | 4.4M records | VCDB |
| 2025-06-30 | Republic Services | Hacking / intrusion | Administrative | AZ, US | — | VCDB |
| 2024-10-01 | Conduent Business Services | Ransomware | Administrative | NJ, US | 15.5M records | VCDB |
| 2022-03-01 | Gol Tours LTD | Hacking / intrusion | Administrative | IL | 3.0M records | VCDB |
| 2021-06-20 | AcadeME | Hacking / intrusion | Administrative | IL | 280k records | VCDB |
| 2021-04-01 | Debt-IN | Ransomware | Administrative | ZA | 140.0M records | VCDB |
| 2021-03-01 | Adecco Group | Hacking / intrusion | Administrative | SE | 5.0M records | VCDB |
| 2021-03-01 | RDC | Hacking / intrusion | Administrative | NL | 7.3M records | VCDB |
| 2020-12-24 | CallX | Error / misconfiguration | Administrative | US | 114k records | VCDB |
| 2020-12-01 | Randstad | Ransomware | Administrative | NL | — | VCDB |
| 2020-11-23 | IIMJobs | Hacking / intrusion | Administrative | IN | 1.4M records | VCDB |
| 2020-11-01 | Bumble | Error / misconfiguration | Administrative | US | 100.0M records | VCDB |
| 2020-08-12 | RailYatri | Hacking / intrusion | Administrative | IN-DL, IN | — | VCDB |
| 2020-08-10 | RailYatri | Error / misconfiguration | Administrative | IN-DL, IN | 700k records | VCDB |
| 2020-08-01 | Experian | Phishing / social engineering | Administrative | ZA | 24.8M records | VCDB |
| 2020-05-01 | Chatbooks | Hacking / intrusion | Administrative | UT, US | — | VCDB |
| 2020-04-02 | Kent Commercial Services | Ransomware | Administrative | GB | — | VCDB |
| 2020-01-01 | Artech Information Systems | Ransomware | Administrative | US-NJ, US | — | VCDB |
| 2019-08-03 | Microsoft | Error / misconfiguration | Administrative | CA, US | — | VCDB |
| 2019-06-28 | TransUnion | Hacking / intrusion | Administrative | CA-ON, CA | 37k records | VCDB |
| 2019-06-01 | Healthcare Administrative Partners | Hacking / intrusion | Administrative | US-PA, US | 18k records | VCDB |
| 2019-05-20 | Chan Brothers Travel | Error / misconfiguration | Administrative | SG | 450 records | VCDB |
| 2019-01-01 | Choice Health Management Services, LLC | Hacking / intrusion | Administrative | NC, US | — | VCDB |
| 2019-01-01 | Microsoft | Hacking / intrusion | Administrative | CA, US | 1 records | VCDB |
| 2018-07-27 | CreditMate | Error / misconfiguration | Administrative | IN | 19k records | VCDB |
| 2018-01-01 | Aviation ID Australia | Hacking / intrusion | Administrative | AU | — | VCDB |
| 2018-01-01 | MEDantex | Error / misconfiguration | Administrative | CA, US | — | VCDB |
| 2017-12-11 | Klook | Malware | Administrative | HK | — | VCDB |
| 2017-10-01 | Expedia | Malware | Administrative | FL, US | 8.8M records | VCDB |
| 2017-10-01 | JobStreet.com | Hacking / intrusion | Administrative | MY | 4.0M records | VCDB |
| 2017-09-01 | Ele.me | Insider misuse | Administrative | CN | 65k records | VCDB |
| 2017-08-01 | Hanatour | Malware | Administrative | KR | 1.0M records | VCDB |
| 2017-07-29 | Equifax | Hacking / intrusion | Administrative | GA, US | 146.7M records | VCDB |
| 2017-06-01 | CashCrate | Hacking / intrusion | Administrative | Unknown | 6.0M records | VCDB |
| 2017-04-05 | Bahamas Water and Sewerage Corporation ‘ | Insider misuse | Administrative | BS | — | VCDB |
| 2017-03-21 | America’s Job Link Alliance | Hacking / intrusion | Administrative | KS, US | 2.2M records | VCDB |
| 2017-03-16 | Unnamed organisation | Malware | Administrative | AU | — | VCDB |
| 2017-01-01 | Brinks Security | Hacking / intrusion | Administrative | WI, US | — | VCDB |
| 2017-01-01 | HealthNow Networks | Insider misuse | Administrative | FL, US | 918k records | VCDB |
| 2016-11-26 | Holiday Inn Club Vacations | Theft or loss | Administrative | TX, US | — | VCDB |
| 2016-11-01 | Michael Page | Error / misconfiguration | Administrative | GB | 700k records | VCDB |
| 2016-10-01 | Vancouver Pain Management | Error / misconfiguration | Administrative | CA | — | VCDB |
| 2016-09-22 | Cloudflare | Error / misconfiguration | Administrative | CA, US | 5.0M records | VCDB |
| 2016-09-01 | True Vacation Travel | Insider misuse | Administrative | CA, US | — | VCDB |
| 2016-06-07 | G4S PLC | Error / misconfiguration | Administrative | GB | 100 records | VCDB |
| 2016-06-01 | JTB Corp | Malware | Administrative | JP | 8.0M records | VCDB |
| 2016-05-26 | Sarina Russo | Insider misuse | Administrative | AU | — | VCDB |
| 2016-05-01 | Besa Mafia | Hacking / intrusion | Administrative | GB | — | VCDB |
| 2016-03-01 | Millennium Hotels & Resorts North America | Malware | Administrative | GB | — | 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 15:28 UTC.