Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Colorado Department of Health Care Policy & Financing

Disclosed Aug 11, 20234,091,794 affectedConfirmed

Official notice

IBM MOVEit breach exposes health data of 4.1 million Colorado Medicaid members

Colorado HCPF said files on the MOVEit application used by its vendor IBM were accessed around May 28, 2023, exposing names, Social Security numbers, Medicaid IDs, income, clinical and insurance data of 4,091,794 Health First Colorado and CHP+ members.

What is known

People affected4,091,794 (as reported by the organization)
DisclosedAug 11, 2023
DiscoveredJun 13, 2023
HappenedMay 28, 2023
AttackVendor breach
Data exposedNamesDates of birthAddressesSocial Security numbersHealthInsuranceFinancial
SectorGovernment · US
StatusConfirmed
Part ofMoveit (2023)

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Colorado Department of Health Care Policy & Financing
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Colorado Department of Health Care Policy & Financing
Regulatoroag.ca.gov
California AG breach notice: Colorado Department of Health Care Policy & Financing
Newstechcrunch.com
Millions of Americans' health data stolen after MOVEit hackers targeted IBM
Newsbleepingcomputer.com
Colorado warns 4 million of data stolen in IBM MOVEit breach
Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Colorado Department of Health Care Policy & Financing (Health Plan, CO)

Notices filed

Residents of CAAug 11, 2023
California AGCount not stated
TotalAug 11, 2023
Research4,091,794 people
TotalAug 11, 2023
HHS archive4,091,794 people
Residents of CAOct 3, 2023
California AGCount not stated
Residents of CAFeb 19, 2024
California AGCount not stated
Residents of ORFeb 19, 2024
Oregon DOJ4,662,668 people

Same campaign

AmazonVendor breach exposed names, emails, phone numbers and employment records.Vendor breachRetailUSUnverifiedNov 11, 2024AutoZoneMOVEit breach exposes data of 184,995 AutoZone customers and staffSupply chain185K affectedRetailUSNov 20, 2023State of MaineMOVEit breach exposes data of 1.3 million people across Maine agenciesSupply chain1.3M affectedGovernmentUSNov 10, 2023University of MissouriMOVEit breach exposes University of Missouri personal dataSupply chain119K affectedEducationUSOct 20, 2023Flagstar BankFiserv MOVEit breach exposes 837,390 Flagstar customersVendor breach837K affectedFinanceUSOct 5, 2023Sony Interactive EntertainmentMOVEit zero-day exposes data of 6,791 Sony employees and relativesSupply chain6,791 affectedGamingUSOct 3, 2023BORN OntarioMOVEit breach exposes perinatal and child registry data of 3.4 millionSupply chain3.4M affectedHealthcareCAUnverifiedSep 25, 2023WelltokMOVEit server breach exposes data of 8.5 million US patientsSupply chain15M affectedHealthcareUSSep 22, 2023Cadence BankMOVEit zero-day used to steal Cadence Bank customer dataSupply chain14K affectedFinanceUSSep 15, 2023HoneywellMOVEit breach exposes pension plan participants' names and SSNsSupply chainManufacturingUSSep 13, 2023Pôle emploiProvider breach exposes names and social security numbers of French job seekersVendor breachGovernmentFRUnverifiedAug 25, 2023TD AmeritradeMOVEit Transfer breach exposes TD Ameritrade client SSNs and account dataSupply chainFinanceUSAug 8, 2023Missouri Department of Social ServicesIBM MOVEit breach exposes Missouri Medicaid participants' dataVendor breach740K affectedGovernmentUSAug 7, 2023Radius Global SolutionsCollections firm Radius hit by MOVEit breach exposing consumer dataSupply chain632K affectedFinanceUSAug 4, 2023Garrett MotionMOVEit exploitation exposes Garrett Motion company, employee and customer dataSupply chainManufacturingCHAug 2, 2023SercoBenefits vendor CBIZ MOVEit breach exposes Serco US staff dataVendor breach10K affectedGovernmentUSAug 1, 2023Prudential FinancialPBI MOVEit breach exposes Prudential retirement payment recipientsVendor breachInsuranceUSJul 31, 2023Performance Health TechnologyMOVEit breach at health plan vendor exposes 1.7 million Oregon Health Plan membersSupply chain1.8M affectedHealthcareUSJul 31, 2023CareSourceMOVEit hack exposes CareSource members' health and personal dataSupply chain3.2M affectedHealthcareUSJul 27, 2023MaximusMOVEit breach exposes personal and health data of 8 to 11 million peopleSupply chain9.2M affectedGovernmentUSJul 26, 2023Pacific Premier BankTax compliance vendor's MOVEit breach exposes bank client dataVendor breachFinanceUSJul 25, 2023Johns Hopkins University and Health SystemMOVEit server breach at Johns Hopkins exposes personal informationSupply chainEducationUSJul 25, 2023Delta Dental of CaliforniaMOVEit breach exposes financial and card data of 6.9 million dental membersSupply chain7.1M affectedInsuranceUSJul 12, 2023Colorado State UniversityVendor MOVEit breaches expose Colorado State University student and staff dataVendor breachEducationUSJul 12, 2023Deutsche BankAccount switching provider breach exposes Deutsche Bank customer dataVendor breachFinanceDEUnverifiedJul 11, 20231st Source BankUnauthorized party accessed 1st Source Bank's MOVEit serverSupply chain450K affectedFinanceUSJul 10, 2023ShellSupply chain exposed names and employment records.Supply chainEnergyGBUnverifiedJul 6, 2023PlainsCapital BankCore banking vendor's MOVEit breach exposes nearly all PlainsCapital customersVendor breachFinanceUSJul 3, 2023TIAAVendor PBI MOVEit breach exposes TIAA participant dataVendor breachFinanceUSJun 30, 2023F&G Annuities & LifeVendor PBI MOVEit breach exposes data of many F&G policyholdersVendor breachInsuranceUSJun 30, 2023UCLASupply chain, data exposed not stated.Supply chainEducationUSUnverifiedJun 29, 2023Siemens EnergySupply chain, data exposed not stated.Supply chainEnergyDEUnverifiedJun 29, 2023National Student ClearinghouseMOVEit breach at student records nonprofit affects 890 schoolsSupply chainEducationUSJun 29, 2023Talcott ResolutionVendor PBI MOVEit breach exposes over half a million Talcott customersVendor breachInsuranceUSJun 27, 2023New York City Department of EducationMOVEit breach exposes data of about 45,000 NYC students and staffSupply chainEducationUSUnverifiedJun 26, 2023Jackson National Life InsuranceVendor PBI MOVEit breach exposes 700,000 to 800,000 Jackson customersVendor breach853K affectedInsuranceUSJun 26, 2023Corebridge FinancialVendor MOVEit breach exposes Corebridge customers' SSNs and policy numbersVendor breach6.5M affectedInsuranceUSJun 26, 2023Wilton ReassuranceVendor PBI MOVEit breach exposes 1.48 million insurance customersVendor breach1.5M affectedInsuranceUSJun 22, 2023Umpqua BankVendor and on-premise MOVEit breaches expose Umpqua customers' SSNsVendor breach429K affectedFinanceUSJun 22, 2023PBI Research ServicesMOVEit breach at pension death-audit vendor exposes millions of insurer customersSupply chainData brokersUSJun 22, 2023

Other breaches at Colorado Department of Health Care Policy & Financing

Insider breachInsider exposed names and health records. Reported to the HHS archive.15K affectedInsuranceUSOct 10, 2014Lost or stolen device breachLost or stolen device exposed names and health records. Reported to the HHS archive.3,589 affectedInsuranceUSAug 16, 2011
History of this record
source2026-09-25
empty to https://ocrportal.hhs.gov/ocr/breach/breach_report.jsfby backfillSource
campaign2026-09-25
empty to moveit-2023by seedSource
sector2026-09-25
health to governmentby seedSource
attack2026-09-25
unknown to third-partyby seedSource
data_types2026-09-25
[] to ["names","dob","addresses","ssn","health","insurance","financial"]by seedSource
records_basis2026-09-25
empty to organizationby seedSource
records2026-09-25
empty to 4091794by seedSource
summary2026-09-25
empty to Colorado HCPF said files on the MOVEit application used by its vendor IBM were accessed around May 28, 2023, exposing names, Social Security numbers, Medicaid IDs, income, clinical and insurance data of 4,091,794 Health First Colorado and Cby seedSource
title2026-09-25
empty to IBM MOVEit breach exposes health data of 4.1 million Colorado Medicaid membersby seedSource
discovered2026-09-25
empty to 2023-06-13by backfillSource
disclosed2026-09-25
2023-10-03 to 2023-08-11by backfillSource
disclosed2026-09-25
2024-02-19 to 2023-10-03by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Colorado Department of Health Care Policy & Financing