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

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.
  1. Healthcare747
  2. Information28
  3. Manufacturing21
  4. Professional Services19
  5. Retail18
  6. Finance, Insurance & Real Estate6
  7. Services5
  8. Transportation4
  9. Technology4
  10. Accommodation & Food3
  11. Administrative3
  12. Other Services2
Sector against type of attackIncidents per sector (rows) and attack type (columns). Darker means more.
  • In healthcare, 91% of incidents were hacking / intrusion.
Hacking / intrusionData breach (cause not stated)Unauthorised access or disclosureRansomwareTheft or lossError / misconfiguration
Healthcare68060241
Information253
Manufacturing201
Professional Services181
Retail171
Finance, Insurance & Real Estate6
Services5
Transportation4

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. 1
    Conduent Business Services LLC62.2M people
    8 Oct 2025 · Hacking / intrusion · Healthcare · HHS
  2. 2
    DentaQuest, LLC15.0M people
    16 Jul 2026 · Hacking / intrusion · Healthcare · HHS
  3. 3
    Aflac Incorporated (“Aflac”)13.9M people
    8 Aug 2025 · Hacking / intrusion · Healthcare · HHS
  4. 4
    Aesto, LLC9.5M people
    31 Jul 2026 · Hacking / intrusion · Healthcare · HHS
  5. 5
    Episource, LLC6.7M people
    6 Jun 2025 · Hacking / intrusion · Healthcare · HHS
  6. 6
    AdaptHealth, LLC4.1M people
    14 Aug 2026 · Hacking / intrusion · Healthcare · HHS
  7. 7
    Unlimited Technology Systems, LLC3.8M people
    21 Jul 2026 · Hacking / intrusion · Healthcare · HHS
  8. 8
    CareCloud, Inc.3.8M people
    24 Jul 2026 · Hacking / intrusion · Healthcare · HHS
By accounts exposed
  1. 1
    1win96.2M accounts
    2 Nov 2024 · Data breach (cause not stated) · HIBP
  2. 2
    Under Armour72.7M accounts
    17 Nov 2025 · Data breach (cause not stated) · HIBP
  3. 3
    Suno55.3M accounts
    25 Nov 2025 · Data breach (cause not stated) · HIBP
  4. 4
    Canadian Tire38.3M accounts
    2 Oct 2025 · Data breach (cause not stated) · HIBP
  5. 5
    Addi34.5M accounts
    25 Mar 2026 · Data breach (cause not stated) · HIBP
  6. 6
    SoundCloud29.8M accounts
    15 Dec 2025 · Data breach (cause not stated) · HIBP
  7. 7
    Speedio27.5M accounts
    24 Dec 2024 · Data breach (cause not stated) · HIBP
  8. 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.

OrganisationDisclosuresFirst – latestTypes of attackSources
Fieldtex Products, Inc. · Healthcare520 Nov 2025 – 12 Dec 2025Hacking / intrusionHHS
AltaMed Health Services Corporation · Healthcare31 Jun 2023 – 26 Feb 2026Hacking / intrusionRansomwareUnauthorised access or disclosureHHS, VCDB
United Healthcare Student Resources · Finance & Insurance31 Jun 2023 – 1 Jun 2023RansomwareVCDB
DentaQuest, LLC · Healthcare223 May 2026 – 16 Jul 2026Data breach (cause not stated)Hacking / intrusionHHS, HIBP
CarMax · Retail22 May 2025 – 24 Jan 2026Data breach (cause not stated)Hacking / intrusionHIBP, VCDB
WindRose Health Network · Healthcare227 Jan 2026 – 16 Sept 2026Hacking / intrusionHHS
AdaptHealth, LLC · Healthcare227 Jun 2026 – 14 Aug 2026Hacking / intrusionHHS, SEC 8-K
CareCloud, Inc. · Healthcare224 Mar 2026 – 24 Jul 2026Hacking / intrusionHHS, SEC 8-K
Clinical Registry Solutions · Healthcare29 Apr 2026 – 12 Jun 2026Hacking / intrusionHHS, VCDB
Open Arms Care Corporation · Healthcare21 Jun 2025 – 11 Jun 2026Hacking / intrusionHHS, VCDB
Gastro Health · Healthcare222 May 2026 – 22 May 2026Hacking / intrusionHHS
Radiology Associates of Richmond · Healthcare21 Jul 2025 – 21 May 2026Hacking / intrusionHHS

6All incidents

Clear

248 incidents match, newest first.

DateOrganisationType of attackSectorWhereAffectedSource
2015-04-01harbortouchMalwareManufacturingPA, US—VCDB
2015-03-27American Tooling CenterPhishing / social engineeringManufacturingMI, US—VCDB
2015-03-06IBMInsider misuseManufacturingCN—VCDB
2015-03-01Central Regional Dental Testing Service, Inc.Error / misconfigurationManufacturingKS, US900 recordsVCDB
2015-02-24Concrete companiesPhishing / social engineeringManufacturingNJ, US—VCDB
2015-01-01Akorn Inc.Hacking / intrusionManufacturingIL, US50k recordsVCDB
2015-01-01Apple IncMalwareManufacturingCA, US225k recordsVCDB
2015-01-01Atlantic Marine Construction CompanyInsider misuseManufacturingVA, US—VCDB
2015-01-01P-Two Industries IncInsider misuseManufacturingTW1 recordsVCDB
2015-01-01St. Jude Medical Inc.Insider misuseManufacturingCA4,649 recordsVCDB
2014-11-07DJO GlobalTheft or lossManufacturingCA, US—VCDB
2014-10-22Backcountry GearHacking / intrusionManufacturingUS—VCDB
2014-09-01Viraj Profiles LtdInsider misuseManufacturingIN—VCDB
2014-08-28Sinclair InstituteMalwareManufacturingUS—VCDB
2014-07-01Acme Barricades LcHacking / intrusionManufacturingFL, US—VCDB
2014-06-06Vibram USA, Inc.Hacking / intrusionManufacturingMA, US—VCDB
2014-05-11Tata Motors LtdHacking / intrusionManufacturingIN—VCDB
2014-05-01UnknownRansomwareManufacturingIN—VCDB
2014-04-27Backcountry GearMalwareManufacturingUS—VCDB
2014-03-29Myriad Genetic Laboratories, Inc.Insider misuseManufacturingUT, US643 recordsVCDB
2014-02-01Spirol InternationalHacking / intrusionManufacturingCT, US70k recordsVCDB
2014-01-17SnecmaMalwareManufacturingFR—VCDB
2014-01-10Hasbro IncHacking / intrusionManufacturingRI, US—VCDB
2014-01-01Diagnostic Health SystemsTheft or lossManufacturingGB—VCDB
2014-01-01MulticardError / misconfigurationManufacturingCO, US9,000 recordsVCDB
2014-01-01Nintendo Co LtdHacking / intrusionManufacturingJP24k recordsVCDB
2014-01-01PolarError / misconfigurationManufacturingUnknown—VCDB
2014-01-01Tesco CorpTheft or lossManufacturingGB—VCDB
2014-01-01The Coca-Cola CompanyTheft or lossManufacturingGA, US74k recordsVCDB
2013-12-31Magiled UK LtdTheft or lossManufacturingGB—VCDB
2013-12-01BRG Sports, IncMalwareManufacturingCA, US—VCDB
2013-11-01Combat SportsUnknownManufacturingWA, US5 recordsVCDB
2013-11-01UnknownHacking / intrusionManufacturingUS600k recordsVCDB
2013-11-01VIBCO VibratorsRansomwareManufacturingRI, US—VCDB
2013-09-11TSYSInsider misuseManufacturingOH, US5,276 recordsVCDB
2013-09-04AUTOMOBILES CITROENHacking / intrusionManufacturingFR500 recordsVCDB
2013-09-01PemexHacking / intrusionManufacturingMX—VCDB
2013-08-01PEUGEOT CITROEN AUTOMOBILE SAMalwareManufacturingDE—VCDB
2013-07-30ExelixisTheft or lossManufacturingCA, US—VCDB
2013-07-26ArgotecTheft or lossManufacturingMA, US—VCDB
2013-07-18Apple Inc.Hacking / intrusionManufacturingCA, US—VCDB
2013-07-01Osprey PacksMalwareManufacturingUS—VCDB
2013-06-30Ouidad Products LLCHacking / intrusionManufacturingUS—VCDB
2013-06-01Creative Banner AssembliesMalwareManufacturingMN, US—VCDB
2013-05-30Compound SemiconductorHacking / intrusionManufacturingGB4,610 recordsVCDB
2013-05-26Isuzu FranceHacking / intrusionManufacturingFR21 recordsVCDB
2013-05-26Monsanto CoHacking / intrusionManufacturingGB—VCDB
2013-05-01Becton, Dickinson and CompanyInsider misuseManufacturingNJ, US—VCDB
2013-04-01Gigabyte TechnologyHacking / intrusionManufacturingTW—VCDB
2013-03-26OptiNose US Inc.Theft or lossManufacturingPA, 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 17:10 UTC.