Data Breach Index (A–Z) – M
Explore 152 data breaches in the M group. Open a record for exposed data classes, affected account counts and recommended security steps.
M
MALL.cz Data BreachMATARKA Alleged Data ExposureMC2 Data Data BreachMCBS 2025 Data BreachMCBans Data BreachMCLeaks Alleged Data ExposureMCResolver.pw Alleged Data ExposureMDPI Data BreachMEO Data BreachMGM Resorts Data BreachMGM Resorts (2022 Update) Data BreachMMG Fusion Data BreachMMOGames.com Alleged Data ExposureMMOKings.com Alleged Data ExposureMPGH Data BreachMPS Enterprises 2026 Data BreachMRA-Racing.org Forums Data BreachMSI Data BreachMaReads Data BreachMac Forums Data BreachMac-Torrents Data BreachMacGeneration Data BreachMadera Community Hospital 2025 Data BreachMadison Square Garden Sports Data BreachMagMutual 2026 Data BreachMagicDuel Data BreachMaiestas Alleged Data ExposureMainline Health Systems 2024 Data BreachMajorGeeks Data BreachMalakye Alleged Data ExposureMalindoAir Data BreachMalwarebytes Data BreachManga Traders Data BreachMangaDex Data BreachMangaFox.me Data BreachMangaToon Data BreachManipulated Caiman Spam Data ListMapExpert Alleged Data ExposureMappery Data BreachMarcus & Millichap Data BreachMariner Wealth Advisors Data BreachMario Susi & Son 2026 Data BreachMaritimeCSR Alleged Data ExposureMarkel Insurance 2026 Data BreachMarket Moveis Data BreachMarketsMojo Alleged Data ExposureMarquis Software Solutions 2025 Data BreachMarshfield Clinic 2025 Data BreachMary Evans Picture Library Alleged Data ExposureMasTec Data BreachMashable Data BreachMaster Deeds Data BreachMastercard Priceless Specials Data BreachMatch Group Data BreachMate1.com Data BreachMathway Data BreachMaxance Data BreachMaximus Nebraska PDMS 2026 Data BreachMazda Thailand Warehouse 2026 Data BreachMazzola Mardon 2025 Data BreachMcEwen & Associates Data BreachMcGraw Hill Data BreachMcLaren Health Care 2024 Data BreachMcLeod Physician Associates II - Dillon Family Medicine 2025 Data BreachMecho Download Data BreachMedPeds Associates of Sarasota 2025 Data BreachMedRevenu Data BreachMedStar Health 2025 Data BreachMedenet 2026 Alleged Data ExposureMedi-Rents & Sales 2026 Data BreachMediaWorks Data BreachMedical Center, LLP 2025 Data BreachMedical Express PSI 2026 Data BreachMedtronic 2026 Data BreachMedusind 2023 Data BreachMeetMindful Data BreachMefeedia Alleged Data ExposureMega-Torrent Alleged Data ExposureMemeChat Data BreachMemoryBreak Alleged Data ExposureMerNetwork Alleged Data ExposureMercadien 2025 Data BreachMercer Advisors 2026 Data BreachMercor 2026 Data BreachMeridian Health Plan of Illinois 2026 Data BreachMeta Instagram HTS 2026 Data BreachMethodist Homes May 2025 Email Data BreachMichigan Medicine 2026 Data BreachMid America Physician Services 2024 Data BreachMid Florida Primary Care 2024 Data BreachMid Michigan Medical Billing Service 2025 Data BreachMid-South Pulmonary & Sleep Specialists 2026 Data BreachMidland Care Connection 2026 Data BreachMilitarySingles.com (2018) Alleged Data ExposureMiljödata Data BreachMillcreek Pediatrics 2025 Data BreachMindJolt 2019 Data BreachMinecraft Pocket Edition Forum Data BreachMinecraft World Map Data BreachMinefield Data BreachMinehut Data BreachMinnesota Epilepsy Group (2026) Data BreachMinnesota Health Insurance Network 2026 Data BreachMinted Data BreachMisattributed Flipkart Data Alleged Data ExposureMisattributed Habib's Data Alleged Data ExposureMister Guns 2025 Data BreachMoDaCo Data BreachMoHackz Alleged Data ExposureMobiFriends Data BreachMobile Legends: Bang Bang Forum Alleged Data ExposureModMed 2025 Data BreachModern Business Solutions Data BreachMolecular Testing Labs Data BreachMon General Hospital 2026 Data BreachMoney Bookers Data BreachMoneycontrol Data BreachMonmouth University 2026 Data BreachMonroe University 2024 Data BreachMoody Bible Institute Data BreachMorele.net Data BreachMortal Online Data BreachMorton Drug Company (Morton LTC) 2025 Data BreachMotility Software Solutions 2025 Data BreachMotor Controls Inc. Alleged Data ExposureMovie Forums Data BreachMovieBoxPro Data BreachMr. Green Gaming Data BreachMrExcel Data BreachMt. Spokane Pediatrics Data BreachMtGox Data BreachMuah.AI Data BreachMultiplayer.it Data BreachMuscle Nutrition Alleged Data ExposureMuslim Directory Data BreachMuslim Match Data BreachMy Lovely AI Data BreachMyCastingFile (2020) Data BreachMyFHA Data BreachMyFitnessPal Data BreachMyHeritage Data BreachMyLloyd Alleged Data ExposureMyPertamina Data BreachMyPirata.me Forums Alleged Data ExposureMySpace Data BreachMyVidster (2015) Data BreachMyVidster (2025) Data BreachMytheresa Data BreachmSpy Data BreachmSpy (2024) Data Breachmail.ru Dump Alleged Data ExposuremyRepoSpace Data Breach