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Breaches.

Government breaches

659 breaches, most recently disclosed first. The list grows as new ones are disclosed.

OrganizationAffected
US Office of Personnel ManagementBackground investigation files of 21.5 million people stolen from OPMJul 9, 201511 years agoHacking22M
Indiana Department of RevenueJul 6, 201511 years ago85
US Office of Personnel ManagementOPM personnel records of 4.2 million federal employees stolenJun 4, 201511 years agoHacking4.2M
Internal Revenue ServiceCriminals abuse IRS Get Transcript tool to pull prior-year tax returnsMay 26, 201511 years agoCredential stuffing700K
Town of Brunswick, Brunswick Police DeptMay 15, 201511 years agoUnknown
County of Los AngelesApr 29, 201511 years agoLost or stolen device880
Telecom Regulatory Authority of IndiaApr 27, 201511 years agoUnverified108Kacct
California Department of Business OversightApr 2, 201511 years agoUnknown
Dare County ABC #4Jan 20, 201511 years agoUnknown
Spencer County Councilon AgingDec 15, 201411 years ago104
Delaware River Bay AuthorityOct 17, 201411 years agoUnknown
Delaware River & Bay AuthorityOct 17, 201411 years agoUnknown
Department of Social ServicesAug 29, 201412 years agoUnknown
Montana Department of Public Health and Human ServicesUnpatched server hacked for nine months exposes data of 1 million MontanansJul 7, 201412 years agoHacking1.1M
Department of Child Support ServicesMay 6, 201412 years agoUnknown
Kaiser Permanente Northern CA Department of ResearchApr 2, 201412 years agoUnknown
Department of Resources Recycling and RecoveryFeb 20, 201412 years agoUnknown
Board of Barbering and CosmetologyDec 2, 201312 years agoUnknown
Monterey County Department of Social ServicesOct 11, 201312 years agoUnknown
Legal Aid Society of San Mateo CountyOct 11, 201312 years agoUnknown
Shumsky Promotional AgencyMay 29, 201313 years agoUnknown
North Los Angeles County Regional CenterJan 29, 201313 years agoLost or stolen device18K
South Carolina Department of Revenue, c/o Jon Neiditz, Nelson Mullins Riley & ScarboroughDec 10, 201213 years agoUnknown
Pinkerton Government ServicesDec 7, 201213 years agoUnknown
South Carolina Department of RevenueHackers steal 3.8 million tax records from South Carolina revenue agencyOct 26, 201213 years agoPhishingUnverified3.8M
California Department of Social ServicesMay 11, 201214 years agoUnknown
California Department of Justice / CATCHMay 11, 201214 years agoUnknown
Utah Department of HealthHackers steal Medicaid and CHIP data of 780,000 people from Utah serverApr 11, 201214 years agoHacking780K
State of California, Department of Child Support ServicesMar 29, 201214 years agoUnknown
TRICAREBackup tapes lost by contractor SAIC expose data of 4.9 million TRICARE patientsNov 4, 201114 years agoLost or stolen device4.9M
Virginia Department of EducationMisplaced flash drive held data of 103,000 adult education studentsOct 15, 200916 years agoLost or stolen deviceUnverified103K
US National Archives and Records AdministrationFailed hard drive with 76 million veterans' records returned to vendorOct 2, 200916 years agoVendor breachUnverified76M
National Guard BureauContractor laptop stolen with data of 131,000 National Guard soldiersAug 13, 200917 years agoVendor breachUnverified131K
Fulton County Board of Registration and ElectionsVoter cards with SSNs of 99,000 Atlanta-area voters found in trash binMay 5, 200917 years agoExposed dataUnverified99K
Virginia Department of Health ProfessionsHackers demand $10 million ransom for Virginia prescription databaseMay 4, 200917 years agoExtortionUnverified530K
Oklahoma Housing Finance AgencyStolen laptop held SSNs of 225,000 Section 8 housing clientsApr 29, 200917 years agoLost or stolen deviceUnverified225K
Idaho National LaboratoryDisc with data of 59,000 Idaho National Laboratory workers lost in UPS transitMar 7, 200917 years agoLost or stolen deviceUnverified59K
New York City Police Pension FundPension fund employee accused of stealing tapes with data of 80,000 officersMar 4, 200917 years agoInsiderUnverified80K
Arkansas Department of Information SystemsMissing vault tape held background check data of 807,000 peopleFeb 20, 200917 years agoLost or stolen deviceUnverified807K
Wisconsin Department of Health and Family ServicesVendor EDS printed SSNs on 260,000 Medicaid brochuresJan 8, 200818 years agoVendor breachUnverified260K
Davidson County Election CommissionLaptops stolen in break-in held SSNs of every Nashville-area voterDec 28, 200718 years agoLost or stolen deviceUnverified337K
Legal Aid AgencyTwo lost discs held child benefit data of 25 million UK residentsNov 20, 200718 years agoLost or stolen deviceUnverified25M
US Department of Veterans AffairsFormer auditor's home computer held 1.8 million VA Social Security numbersNov 16, 200718 years agoInsiderUnverified185K
Massachusetts Division of Professional LicensureDisks sent in public records request held SSNs of 450,000 professionalsOct 4, 200718 years agoExposed dataUnverified450K
CalPERSElection brochures printed SSNs of 445,000 California retireesAug 22, 200719 years agoVendor breachUnverified445K
State of OhioBackup device with SSNs of every Ohio state worker stolen from intern's carJun 15, 200719 years agoLost or stolen deviceUnverified500K
Illinois Department of Financial and Professional RegulationHacked server exposed SSNs of 300,000 Illinois licenseesMay 19, 200719 years agoHackingUnverified300K
Georgia Department of Community HealthVendor loses disk with 2.9 million Medicaid and PeachCare members' dataApr 10, 200719 years agoVendor breachUnverified2.9M
Los Angeles County Child Support ServicesThree stolen laptops held SSNs and case data on 243,000 peopleMar 30, 200719 years agoLost or stolen deviceUnverified243K
Indiana state governmentHacker breaks into IN.gov and obtains card numbers and 71,000 SSNsFeb 10, 200719 years agoHackingUnverified77K

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