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 |
|---|---|---|---|---|---|---|
| 2016-01-01 | Bank of America Corp | Theft or loss | Finance & Insurance | MA, US | — | VCDB |
| 2016-01-01 | Beneficial Bank | Phishing / social engineering | Finance & Insurance | US-PA, US | — | VCDB |
| 2016-01-01 | CalOptima | Insider misuse | Finance & Insurance | CA, US | — | VCDB |
| 2016-01-01 | Cambridge leisure park ATM | Theft or loss | Finance & Insurance | GB | — | VCDB |
| 2016-01-01 | Community Health Plan of Washington | Unknown | Finance & Insurance | US | 400k records | VCDB |
| 2016-01-01 | First Citizen bank | Theft or loss | Finance & Insurance | SC, US | — | VCDB |
| 2016-01-01 | Guidance Residential | Insider misuse | Finance & Insurance | MI, US | — | VCDB |
| 2016-01-01 | Louisiana Citizens National Bank's | Theft or loss | Finance & Insurance | LA, US | — | VCDB |
| 2016-01-01 | MoneyBack | Error / misconfiguration | Finance & Insurance | MX | 89k records | VCDB |
| 2016-01-01 | Rehab Billing Solutions | Error / misconfiguration | Finance & Insurance | CA, US | 260k records | VCDB |
| 2016-01-01 | Unnamed organisation | Phishing / social engineering | Finance & Insurance | AL, US | 335 records | VCDB |
| 2016-01-01 | Unnamed organisation | Insider misuse | Finance & Insurance | CA, US | — | VCDB |
| 2016-01-01 | Wells Fargo | Phishing / social engineering | Finance & Insurance | GA, US | — | VCDB |
| 2015-12-27 | Morgan Stanley | Unknown | Finance & Insurance | NY, US | 350k records | VCDB |
| 2015-12-12 | Northwest Community Credit Union | Theft or loss | Finance & Insurance | OR, US | — | VCDB |
| 2015-12-12 | Sun Trust Bank | Theft or loss | Finance & Insurance | FL, US | 100 records | VCDB |
| 2015-12-08 | Physicians Health Plan of Northern Indiana | Error / misconfiguration | Finance & Insurance | IN, US | 1,708 records | VCDB |
| 2015-12-05 | Quincy Credit Union | Theft or loss | Finance & Insurance | MA, US | 670 records | VCDB |
| 2015-12-01 | Keenan & Associates | Error / misconfiguration | Finance & Insurance | CA, US | 35k records | VCDB |
| 2015-12-01 | Tapco Credit Union | Insider misuse | Finance & Insurance | WA, US | — | VCDB |
| 2015-12-01 | Unknown | Theft or loss | Finance & Insurance | MA, US | — | VCDB |
| 2015-11-27 | Mission Federal Credit Union | Theft or loss | Finance & Insurance | CA, US | — | VCDB |
| 2015-11-25 | Russian Central Bank | Hacking / intrusion | Finance & Insurance | RU | — | VCDB |
| 2015-11-15 | Durant Landmark Bank | Theft or loss | Finance & Insurance | OK, US | — | VCDB |
| 2015-11-05 | Central Bank | Theft or loss | Finance & Insurance | MO, US | — | VCDB |
| 2015-11-01 | Natwest Bank | Theft or loss | Finance & Insurance | GB | — | VCDB |
| 2015-11-01 | Swedbank AB | Hacking / intrusion | Finance & Insurance | SE | — | VCDB |
| 2015-11-01 | Town & Country Bank and Trust Co. | Theft or loss | Finance & Insurance | KY, US | — | VCDB |
| 2015-10-30 | American Bank of Texas | Theft or loss | Finance & Insurance | TX, US | — | VCDB |
| 2015-10-18 | TrustCo Bank Corp NY | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2015-10-09 | Keenan & Associates | Error / misconfiguration | Finance & Insurance | CA, US | 35k records | VCDB |
| 2015-10-06 | Danske Bank A/S | Error / misconfiguration | Finance & Insurance | DK | — | VCDB |
| 2015-10-01 | Blue Shield of California | Phishing / social engineering | Finance & Insurance | CA, US | 21k records | VCDB |
| 2015-09-30 | First Niagrara Bank, Trustco Bank, Berkshire Bank | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2015-09-30 | Humana Inc | Theft or loss | Finance & Insurance | KY, US | 2,815 records | VCDB |
| 2015-09-23 | Bayside bank | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2015-09-17 | JPMorgan Chase & Co | Hacking / intrusion | Finance & Insurance | US | 265k records | VCDB |
| 2015-09-12 | Mascoma Savings Bank | Theft or loss | Finance & Insurance | VT, US | — | VCDB |
| 2015-09-11 | CarePlus Health Plans | Error / misconfiguration | Finance & Insurance | FL, US | 1,400 records | VCDB |
| 2015-09-11 | CoastHills Credit Union | Theft or loss | Finance & Insurance | CA, US | — | VCDB |
| 2015-09-03 | Banks | Theft or loss | Finance & Insurance | CA, US | 10 records | VCDB |
| 2015-08-22 | Northeast Credit Union | Theft or loss | Finance & Insurance | NY, US | — | VCDB |
| 2015-08-14 | Investors Bank | Theft or loss | Finance & Insurance | NJ, US | — | VCDB |
| 2015-08-13 | Landmark Bank | Theft or loss | Finance & Insurance | OK, US | — | VCDB |
| 2015-08-05 | Excellus Bluecross BlueShield | Hacking / intrusion | Finance & Insurance | NY, US | 10.5M records | VCDB |
| 2015-08-01 | American Pacific Mortgage | Phishing / social engineering | Finance & Insurance | US | — | VCDB |
| 2015-08-01 | Global Financial Services Company | Hacking / intrusion | Finance & Insurance | US | 100 records | VCDB |
| 2015-08-01 | Scottrade | Hacking / intrusion | Finance & Insurance | MO, US | 4.6M records | VCDB |
| 2015-07-24 | European Central Bank | Hacking / intrusion | Finance & Insurance | DE | 20k records | VCDB |
| 2015-07-15 | Axa Insurance | Insider misuse | Finance & Insurance | GB | 2,000 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 22:01 UTC.