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Ransomnews

Ransomware attacks in April 2022: 88 confirmed incidents

CONFIRMED RANSOMWARE ATTACKS · MONTH

Ransomnews has confirmed 88 ransomware attacks in April 2022, each one verified against a public source such as a breach notification, regulatory filing, court record or press report. That is 0.9% of the 9,715 confirmed incidents in the dataset. That compares with 82 in March 2022 and 184 in April 2021. The United States accounts for 37 of them (42%), with victims recorded in 22 countries in total. The most affected sector is government, with 27 confirmed victims (31%). Where the operator is attributed, Conti leads with 15 confirmed victims. A ransom payment is on the public record in 2 cases and a refusal in 30; the outcome is unrecorded in the remaining 56.

88Confirmed incidents
82March 2022
184April 2021
22Countries
6%Paid, where outcome is public
7,314,058Records exposed (27 disclosed cases)

Confirmed ransomware attacks by month, trailing 13 months to April 2022

Every month is a partial count until disclosures stop arriving, which typically takes three to four months. Compare April 2022 with months of the same age rather than with fully matured ones.

Source: ransomnews.com
MonthConfirmed attacks
April 2021184
May 2021169
June 2021145
July 2021106
August 202184
September 202191
October 2021117
November 202179
December 202197
January 202287
February 202277
March 202282
April 202288
ransomnews.com184Apr169May145Jun106Jul84Aug91Sep117Oct79Nov97Dec87Jan77Feb82Mar88Apr
Confirmed ransomware attacks per month, the 13 months to April 2022. Source: Ransomnews Confirmed Ransomware Attacks Dataset.

Which ransomware groups had the most confirmed victims in April 2022

The operator is attributed in 54 of the 88 confirmed incidents. Counts are confirmed victims, not leak-site claims, so they run well below the totals the groups publish about themselves. Group names link to the live Ransomtracker profile where one exists.

Most active groups by confirmed victims

  • Conti15 28%
  • LockBit11 20%
  • Black Basta7 13%
  • ALPHV/BlackCat4 7%
  • AvosLocker3 6%
  • Hive3 6%
  • Clop2 4%
  • Vice Society2 4%
  • BitLocker1 2%
  • BlackByte1 2%

Where the confirmed attacks in April 2022 fall

Country shares carry a reporting bias. United States breach-notification law and SEC disclosure rules push far more incidents onto the public record than most jurisdictions, which makes American attacks easier to confirm and inflates the US share of any confirmed dataset.

Most affected countries

  • United States37 42%
  • Costa Rica10 11%
  • Germany6 7%
  • France5 6%
  • Japan4 5%
  • Portugal4 5%
  • United Kingdom3 3%
  • Brazil2 2%
  • Canada2 2%
  • Italy2 2%

Most affected sectors

  • Government27 31%
  • Healthcare12 14%
  • Education9 10%
  • Retail7 8%
  • Finance6 7%
  • Manufacturing6 7%
  • Other5 6%
  • Technology4 5%
  • Food and Beverage3 3%
  • Legal2 2%

Ransom payment outcomes in April 2022

Among the 32 confirmed incidents in April 2022 where the outcome is on the public record, 2 paid and 30 refused, a disclosed payment rate of 6.3%. The remaining 56 carry no public statement either way. Victims that pay have every incentive to stay quiet and public bodies are the most likely to announce a refusal, so treat this as the disclosed rate, not the true one. The ransomware payment rate analysis explains how the disclosed rate has moved since 2018 and how it compares with incident-response firm samples.

Largest confirmed ransomware attacks in April 2022 by records exposed

Record counts are recorded only where a named source disclosed them, which is the minority of cases, so this table ranks disclosed impact rather than true impact.

Source: ransomnews.com, verified against the linked public source
DateOrganisationSectorLocationRecordsGroupRansom paidSource
April 2022OneTouchPoint (OTP)TechnologyWisconsin, United States4,112,892—Unknownoag.ca.gov
April 2022Practice Resources, LLCHealthcareNew York, United States942,138—Unknownoag.ca.gov
April 2022Christus HealthHealthcareTexas, United States842,874AvosLockerUnknownhealthitsecurity.com
April 2022Yuma Regional Medical CenterHealthcareArizona, United States738,145—Unknownhipaajournal.com
April 2022Maternal & Family Health Services (MFHS)HealthcarePennsylvania, United States461,070—Unknownmfhs.org
April 2022State Bar Of GeorgiaGovernmentGeorgia, United States52,159BitLockerNosecurityweek.com
April 2022City of QuincyGovernmentMassachusetts, United States36,080—Yesthequincysun.com
April 2022Public Employees Credit UnionFinanceTexas, United States28,606AvosLockerUnknowndoj.nh.gov
April 2022Gekkeikan Co., Ltd.Food and BeverageFushimi, Japan27,715—Unknowngekkeikan.co.jp
April 2022Cavender Stores, Ltd.RetailTexas, United States27,237Black BastaUnknownmass.gov

All confirmed ransomware attacks in April 2022

All 88 of 88 confirmed incidents. Every row links to the public source it was verified against.

Source: ransomnews.com, verified against the linked public source
DateOrganisationSectorLocationRecordsGroupRansom paidSource
April 2022Stadt SchriesheimGovernmentSchriesheim, Germany—LockBitNogolem.de
April 2022Serviços Municipalizados de Transportes Urbanos de Coimbra (SMTUC)GovernmentCoimbra, Portugal—LockBitNocnnportugal.iol.pt
April 2022Câmara Municipal da MoitaGovernmentMoita, Portugal——Nocmjornal.pt
April 2022Polyplastics Asia Pacific Sdn. Bhd.ManufacturingBalok, Malaysia——Unknownpolyplastics-global.com
April 2022PRGX Global, Inc.FinanceGeorgia, United States13,231Black BastaUnknownmaine.gov
April 2022Prefeitura de Rio BomGovernmentRio Bom, Brazil——Notnonline.uol.com.br
April 2022PRGX, Inc.FinanceGeorgia, United States13,231Black BastaUnknownoag.ca.gov
April 2022New Hyde Park-Garden City Park School DistrictEducationNew York, United States0—Unknownbrooklyn.news12.com
April 2022North Merrick Union Free School DistrictEducationNew York, United States0—Unknownbrooklyn.news12.com
April 2022Merrick Union Free School DistrictEducationNew York, United States0—Unknownbrooklyn.news12.com
April 2022Public Employees Credit UnionFinanceTexas, United States28,606AvosLockerUnknowndoj.nh.gov
April 2022Gekkeikan Co., Ltd.Food and BeverageFushimi, Japan27,715—Unknowngekkeikan.co.jp
April 2022M+R Spedag GroupTransportationMuttenz, Switzerland—BlackByteUnknowninside-it.ch
April 2022Laiteries Réunies de GenèveFood and BeveragePlan-les-Ouates, Switzerland—Black BastaNoledauphine.com
April 2022Carefree of ColoradoManufacturingColorado, United States2,612—Nodojmt.gov
April 2022Transportadora de Gas del SurUtilitiesBuenos Aires, Argentina—ALPHV/BlackCatUnknownclarin.com
April 2022ZitoUtilitiesPennsylvania, United States2,091—Unknownapps.web.maine.gov
April 2022Yuma Regional Medical CenterHealthcareArizona, United States738,145—Unknownhipaajournal.com
April 2022Ypsilanti Community Utilities Authority (YCUA)GovernmentMichigan, United States660—Nomlive.com
April 2022Westchester County Library SystemGovernmentNew York, United States——Unknownscmagazine.com
April 2022Unified Government of Wyandotte County and Kansas CityGovernmentKansas, United States——Nokshb.com
April 2022NSW Council (unnamed)GovernmentAustralia——Unknowncyber.gov.au
April 2022Massy StoresFood and BeveragePort of Spain, Trinidad and Tobago—HiveUnknownguardian.co.tt
April 2022SONAEOtherMaia, Portugal—RansomEXXUnknowntek.sapo.pt
April 2022Carmel CollegeEducationSt Helens, United Kingdom—Vice SocietyNosthelensstar.co.uk
April 2022Fraunhofer-Institut für Mikrostruktur von Werkstoffen und Systemen (IMWS)OtherHalle, Germany——Nocsoonline.com
April 2022PerbitTechnologyAltenberge, Germany—ClopNocsoonline.com
April 2022Gemeente BurenGovernmentBuren, Netherlands—SunCryptNopaudal.com
April 2022Keisei Construction Co., LtdConstructionChiba, Japan—LockBitUnknownkeisei-const.jp
April 2022Meiko Trading Co.ServiceTokyo, Japan——Unknownmeiko-trading.co.jp
April 2022Höhere Technische Bundeslehr- und Versuchsanstalt St. Pölten (HTL)EducationSankt Pölten, Austria—ALPHV/BlackCatUnknownheute.at
April 2022State Bar Of GeorgiaGovernmentGeorgia, United States52,159BitLockerNosecurityweek.com
April 2022Clestra HausermanManufacturingIllikirch, France—LockBitUnknownlemagit.fr
April 2022Dirección General de Inteligencia (DIGMIN)GovernmentLima, Peru—ContiUnknownlarepublica.pe
April 2022AHS GroupTransportationHamburg, Germany—RansomHouseUnknownarchyworldys.com
April 2022OraliaOtherlYON, France—Black BastaUnknownlemagit.fr
April 2022Hospital Garcia de Orta (HGO)HealthcareAlmada, Portugal—HiveUnknowncnnportugal.iol.pt
April 2022Perusahaan Gas Negara (PGN)GovernmentJakarta, Indonesia—HiveUnknowntechmonitor.ai
April 2022Oil India LimitedGovernmentDuliajan, India——Notimesnownews.com
April 2022Deutsche WindtechnikServiceBremen, Germany——Nocybernews.com
April 2022EKZ BibliotheksserviceRetailReutlingen, Germany—LockBitUnknownbitdefender.com
April 2022Département de l'ArdècheGovernmentArdèche, France—LockbitNofrancebleu.fr
April 2022Sede Interuniversitaria de Alajuela (SIUA)EducationSan José, Costa Rica—ContiUnknownbleepingcomputer.com
April 2022Instituto de Desarrollo Rural (INDER)GovernmentSan José, Costa Rica—ContiNoqcostarica.com
April 2022Radiográfica Costarricense (RACSA)GovernmentSan José, Costa Rica—ContiNobleepingcomputer.com
April 2022Groupement Hospitaliers de Territoire (GHT) Cœur Grand EstHealthcareSaint-Dizier, France—Industrial SpyUnknownlunion.fr
April 2022Caja Costarricense de Seguro Social (CCSS)GovernmentSan José, Costa Rica—ContiNobleepingcomputer.com
April 2022Instituto Meteorológico Nacional (IMN)GovernmentSan José, Costa Rica—ContiNobleepingcomputer.com
April 2022Panasonic CanadaManufacturingMississauga, Canada—ContiUnknownmspoweruser.com
April 2022TrustFordRetailColchester, United Kingdom—ContiUnknowninfosecurity-magazine.com
April 2022Bet9jaOtherLagos, Nigeria—ALPHV/BlackCatUnknownniyitabiti.net
April 2022The WorksRetailBirmingham, United Kingdom——Unknowndailymail.co.uk
April 2022Ministerio de Ciencia, Tecnología y Telecomunicaciones (MICITT)GovernmentSan José, Costa Rica—ContiNobleepingcomputer.com
April 2022Fondo de Desarrollo Social y Asignaciones Familiares (FODESAF)GovernmentSan José, Costa Rica—ContiNobleepingcomputer.com
April 2022Ministerio de Trabajo y Seguridad Social (MTSS)GovernmentSan José, Costa Rica—ContiNobleepingcomputer.com
April 2022Junta Administrativa del Servicio Eléctrico de Cartago (JASEC)GovernmentCartago, Costa Rica—ContiNotherecord.media
April 2022Ministerio de Hacienda de Costa RicaGovernmentSan José, Costa Rica—ContiNoredpacketsecurity.com
April 2022Practice Resources, LLCHealthcareNew York, United States942,138—Unknownoag.ca.gov
April 2022Optoma Technology, Inc.ManufacturingCalifornia, United States148—Unknownjdsupra.com
April 2022OneTouchPoint (OTP)TechnologyWisconsin, United States4,112,892—Unknownoag.ca.gov
April 2022Elgin CountyGovernmentElgin County, Canada330ContiNodatabreaches.net
April 2022McCarter & English LLPLegalNew Jersey, United States1,090—Unknownapps.web.maine.gov
April 2022Maternal & Family Health Services (MFHS)HealthcarePennsylvania, United States461,070—Unknownmfhs.org
April 2022Lower Makefield TownshipGovernmentPennsylvania, United States——Unknownlevittownnow.com
April 2022Lionel Holdings, LLCManufacturingNorth Carolina, United States——Unknownmass.gov
April 2022Lifespan ServicesHealthcareNorth Carolina, United States8,006—Unknownhipaajournal.com
April 2022Inglis FoundationHealthcarePennsylvania, United States——Unknownmarylandattorneygeneral.gov
April 2022Les Bureaux de L'epargneFinanceParis, France—LockBitUnknownlemagit.fr
April 2022Heartland Healthcare ServicesHealthcareOhio, United States2,763LockBitNoapp.hacknotice.com
April 2022ABI (Associazione Bancaria Italiana)FinanceRome, Italy—Vice SocietyNowired.it
April 2022Glenn County Office of Education and School DistrictsEducationCalifornia, United States—QuantumYesactionnewsnow.com
April 2022Professional Account ManagementFinanceGuaynabo, Puerto Rico——Unknownbnamericas.com
April 2022Secretaria de Estado de Fazenda do Rio de Janeiro (Sefaz RJ)GovernmentRio de Janeiro, Brazil—LockBitUnknowntherecord.media
April 2022Florida International UniversityEducationFlorida, United States—ALPHV/BlackCatUnknowntherecord.media
April 2022Dynamo SoftwareTechnologyMassachusetts, United States245—Unknownmass.gov
April 2022ASP MessinaHealthcareMessina, Italy—LockBitUnknowncybersecurity360.it
April 2022Compressed Gas AssociationOtherVirginia, United States71—Unknownmarylandattorneygeneral.gov
April 2022City of QuincyGovernmentMassachusetts, United States36,080—Yesthequincysun.com
April 2022Christus HealthHealthcareTexas, United States842,874AvosLockerUnknownhealthitsecurity.com
April 2022Aoyama HospitalHealthcareFujiidera, Japan——Unknownwww3.nhk.or.jp
April 2022Central Products, LLC dba Central Restaurant ProductsRetailIndiana, United States—ContiUnknownmass.gov
April 2022Cavender Stores, Ltd.RetailTexas, United States27,237Black BastaUnknownmass.gov
April 2022Blume Global, Inc.TechnologyCalifornia, United States205AvosLockerUnknownapps.web.maine.gov
April 2022Becker Law OfficeLegalKentucky, United States—LockBitNoeu.courier-journal.com
April 2022Austin Peay State UniversityEducationTennessee, United States——Nowkrn.com
April 2022Arndt Electronics d/b/a Jameco ElectronicsRetailCalifornia, United States—Black BastaUnknownoag.ca.gov
April 2022American Technologies, LLC d/b/a 888VoIPRetailNew York, United States—ClopUnknownmarylandattorneygeneral.gov
April 2022American Dental Association (ADA)HealthcareIllinois, United States459Black BastaUnknownbleepingcomputer.com

Frequently asked questions

How many ransomware attacks were confirmed in April 2022?

Ransomnews has confirmed 88 ransomware attacks in April 2022, each verified against a public source, against 82 in March 2022 and 184 in April 2021. The true total is higher, because many victims never disclose; confirmed counts are a floor, not a ceiling.

Is the April 2022 count final?

It is as settled as a confirmed count gets. April 2022 ended more than four months before the latest database refresh, so most late disclosures have arrived, though a confirmation can still be added whenever a new public source surfaces. The figure is recalculated from the live database on every load.

Which ransomware group had the most confirmed victims in April 2022?

Conti, with 15 confirmed victims, followed by LockBit (11) and Black Basta (7). These are confirmed victims, not leak-site claims, counted among the 54 incidents where the operator is attributed.

Which country had the most confirmed ransomware attacks in April 2022?

The United States, with 37 of the 88 confirmed incidents (42%). Costa Rica is next with 10. Part of the gap is exposure and part is reporting: US breach-notification and SEC disclosure rules put more incidents on the public record than most jurisdictions.

Which sector was hit most by ransomware in April 2022?

Government, with 27 confirmed incidents (31% of the total). Healthcare follows with 12, then Education with 9.

What share of ransomware victims paid in April 2022?

Among the 32 confirmed incidents in April 2022 with a public outcome, 2 paid and 30 refused, a disclosed payment rate of 6.3%. Most victims never state whether they paid, and those who pay have the least reason to say so, so the disclosed rate understates real payment behaviour. The payment rate analysis tracks this figure since 2018.

What was the largest ransomware attack of April 2022 by records exposed?

OneTouchPoint (OTP) (Wisconsin, United States, April 2022), with 4,112,892 records exposed according to oag.ca.gov. Record counts exist only where a source disclosed them, so this ranks disclosed impact.

Confirmed ransomware attacks by sector, country and year

Every page below is generated from the same verified dataset. See the full index.

By sector

  • Healthcare 1,676
  • Government 1,519
  • Manufacturing 1,070
  • Education 1,004
  • Services 690
  • Financial services 643
  • Technology 574
  • Retail 523
  • Food and beverage 353
  • Transportation 270
  • Construction 259
  • Legal 251
  • Utilities 218

By country

  • United States 5,198
  • France 505
  • Germany 416
  • Japan 379
  • Canada 356
  • United Kingdom 321
  • Australia 234
  • Italy 219
  • Brazil 157
  • Spain 148
  • Switzerland 123
  • India 107
  • Netherlands 106
  • South Africa 67
  • Denmark 63
  • Belgium 62
  • All 36 countries

By year

  • 2018 168
  • 2019 458
  • 2020 1,228
  • 2021 1,436
  • 2022 959
  • 2023 1,551
  • 2024 1,550
  • 2025 1,489
  • 2026 876

By month, 2022

  • Jan 2022 87
  • Feb 2022 77
  • Mar 2022 82
  • Apr 2022 88
  • May 2022 78
  • Jun 2022 76
  • Jul 2022 60
  • Aug 2022 73
  • Sep 2022 85
  • Oct 2022 87
  • Nov 2022 81
  • Dec 2022 85

How to read this page. Every incident counted here was verified by Ransomnews against at least one public source. Leak-site listings alone do not qualify, because operators inflate, duplicate and occasionally fabricate claims, so these totals are a defensible floor rather than a full census. Records exposed and ransom outcomes appear only where a named source disclosed them. The page is regenerated from the live database, which refreshes weekly. Cite as: Ransomnews Confirmed Ransomware Attacks Dataset, ransomnews.com, with a link to this page. Bulk access and methodology questions: [email protected]. See also the monthly ransomware statistics and the Ransomtracker.

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