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.

Disclosed incidents per month, by type of attackStacked: each band is one type; the top edge is the month's total.

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

People affected per monthBreaches counted in people (US health breaches and coded incidents).

By type of attack

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.

Most affected sectorsLast 24 months. Select one to list its incidents.

Sector against type of attackIncidents per sector (rows) and attack type (columns). Darker means more.

In healthcare, 91% of incidents were hacking / intrusion.

	Hacking / intrusion	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.

By people affected

1
Conduent Business Services LLC62.2M people
8 Oct 2025 · Hacking / intrusion · Healthcare · HHS
2
DentaQuest, LLC15.0M people
16 Jul 2026 · Hacking / intrusion · Healthcare · HHS
3
Aflac Incorporated (“Aflac”)13.9M people
8 Aug 2025 · Hacking / intrusion · Healthcare · HHS
4
Aesto, LLC9.5M people
31 Jul 2026 · Hacking / intrusion · Healthcare · HHS
5
Episource, LLC6.7M people
6 Jun 2025 · Hacking / intrusion · Healthcare · HHS
6
AdaptHealth, LLC4.1M people
14 Aug 2026 · Hacking / intrusion · Healthcare · HHS
7
Unlimited Technology Systems, LLC3.8M people
21 Jul 2026 · Hacking / intrusion · Healthcare · HHS
8
CareCloud, Inc.3.8M people
24 Jul 2026 · Hacking / intrusion · Healthcare · HHS

By accounts exposed

1
1win96.2M accounts
2 Nov 2024 · Data breach (cause not stated) · HIBP
2
Under Armour72.7M accounts
17 Nov 2025 · Data breach (cause not stated) · HIBP
3
Suno55.3M accounts
25 Nov 2025 · Data breach (cause not stated) · HIBP
4
Canadian Tire38.3M accounts
2 Oct 2025 · Data breach (cause not stated) · HIBP
5
Addi34.5M accounts
25 Mar 2026 · Data breach (cause not stated) · HIBP
6
SoundCloud29.8M accounts
15 Dec 2025 · Data breach (cause not stated) · HIBP
7
Speedio27.5M accounts
24 Dec 2024 · Data breach (cause not stated) · HIBP
8
Paidwork23.3M accounts
29 Mar 2026 · Data breach (cause not stated) · HIBP

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

488 incidents match, newest first.

Date	Organisation	Type of attack	Sector	Where	Affected	Source
2019-09-09	Unnamed organisation	Insider misuse	Retail	JP	1,300 records	VCDB
2019-09-07	Volusion	Malware	Retail	US	—	VCDB
2019-08-01	Bowlin’s, Inc.	Theft or loss	Retail	AZ, US	—	VCDB
2019-08-01	Chevron	Theft or loss	Retail	CA, US	—	VCDB
2019-07-31	SEVEN-ELEVEN JAPAN CO.,LTD.	Hacking / intrusion	Retail	JP-13, JP	808 records	VCDB
2019-04-01	Samsung	Error / misconfiguration	Retail	KR	—	VCDB
2019-04-01	Valero	Theft or loss	Retail	TX, US	—	VCDB
2019-02-14	Mobile gas	Theft or loss	Retail	US-FL, US	—	VCDB
2019-01-01	Army and Air Force Exchange	Insider misuse	Retail	GU	1 records	VCDB
2019-01-01	E-Land	Ransomware	Retail	KR	—	VCDB
2019-01-01	Quidd	Unknown	Retail	US-NY, US	4.0M records	VCDB
2019-01-01	Tommy Hilfiger Japan	Error / misconfiguration	Retail	JP	—	VCDB
2019-01-01	Unnamed organisation	Theft or loss	Retail	FL, US	—	VCDB
2019-01-01	Unnamed organisation	Theft or loss	Retail	FL, US	—	VCDB
2018-12-01	warby parker	Hacking / intrusion	Retail	US	198k records	VCDB
2018-11-09	Hy-Vee	Malware	Retail	US-IA,US-IL,US-KS,US-MN,US-MO,US-NE,US-SD,US-WI, US	5.3M records	VCDB
2018-11-01	Epoch Trading Post	Hacking / intrusion	Retail	US-NJ, US	—	VCDB
2018-09-24	Raley’s Supermarkets	Theft or loss	Retail	CA, US	10k records	VCDB
2018-08-29	R&G Travelmart	Theft or loss	Retail	WI, US	—	VCDB
2018-07-13	CVS	Theft or loss	Retail	OH, US	—	VCDB
2018-06-13	Anna Sanjivini Pharmacy	Error / misconfiguration	Retail	IN	—	VCDB
2018-06-13	Mickey’s Convenience Store	Theft or loss	Retail	TX, US	—	VCDB
2018-05-25	QuikTrip	Theft or loss	Retail	US-IA, US	30 records	VCDB
2018-04-26	Macy's	Hacking / intrusion	Retail	US	—	VCDB
2018-04-01	Chegg	Hacking / intrusion	Retail	CA, US	40.0M records	VCDB
2018-01-16	ALDI US	Theft or loss	Retail	US-PA, US	—	VCDB
2018-01-10	Weis Markets	Theft or loss	Retail	MD, US	—	VCDB
2018-01-01	AT&T	Phishing / social engineering	Retail	Unknown	—	VCDB
2018-01-01	Eatigo	Hacking / intrusion	Retail	SG	2.8M records	VCDB
2018-01-01	MBM Jewelry	Error / misconfiguration	Retail	US	1.5M records	VCDB
2018-01-01	Optical Center	Hacking / intrusion	Retail	FR	—	VCDB
2018-01-01	QuikTrip	Theft or loss	Retail	US-KS, US	78 records	VCDB
2018-01-01	Sunoco	Theft or loss	Retail	NY, US	—	VCDB
2017-12-20	Rite Aid	Theft or loss	Retail	US	—	VCDB
2017-12-12	Brushy Creek Market	Theft or loss	Retail	US-TX, US	—	VCDB
2017-12-06	thesy, llc	Malware	Retail	US-CA, US	—	VCDB
2017-11-12	Exxon	Theft or loss	Retail	MD, US	—	VCDB
2017-10-23	Circle K	Theft or loss	Retail	TN, US	—	VCDB
2017-10-17	Homeplus	Hacking / intrusion	Retail	KR-11, KR	49k records	VCDB
2017-10-14	Sheetz Gas Station	Theft or loss	Retail	US	—	VCDB
2017-10-03	Bathurst Jean Coutu Drugstore	Insider misuse	Retail	CA	1 records	VCDB
2017-10-03	CVS	Theft or loss	Retail	MI, US	—	VCDB
2017-10-01	Grafton Road Exxon	Theft or loss	Retail	WV, US	—	VCDB
2017-10-01	Greenworks Medicinal	Error / misconfiguration	Retail	GB	250 records	VCDB
2017-10-01	Lukes One Stop gas station	Theft or loss	Retail	Indiana, US	—	VCDB
2017-10-01	Lukes One Stop gas station	Theft or loss	Retail	IN, US	—	VCDB
2017-10-01	Mobil Gas Station	Theft or loss	Retail	Florida, US	—	VCDB
2017-10-01	ShopRite	Error / misconfiguration	Retail	NY, US	7,000 records	VCDB
2017-10-01	Tarte Cosmetics	Error / misconfiguration	Retail	NY, US	1.9M records	VCDB
2017-10-01	Tesco Express	Theft or loss	Retail	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 16:14 UTC.