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Data breaches

Data breaches

Sources first · Counts reflect this database, not worldwide incident totals.

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959 results
Title / subjectOrganizationsVerificationReported impactDisclosed
Tochigi Bank: about 1,000 customer email addresses leaked via Arara mail-server breach栃木銀行ConfirmedUnknown2026-11-02
Zaif: 380,536 customer email addresses leaked via Arara contractor breachZaifConfirmed380,536 Records2026-11-02
TKC: customer email addresses leaked via Arara email-delivery breach (up to 2,230,812)アララ株式会社, TKCConfirmedUnknown2026-11-02
Fanplus/Ticketplus: about 4.43 million user email addresses leaked via Arara breachFanplusConfirmedUnknown2026-11-02
Nojima Online: about 7 million member records leaked after member-system intrusionノジマConfirmedUnknown2026-11-02
Kagome: data of 109 digital-bond purchasers may have leaked via application-platform breachカゴメInvestigating109 People2026-10-31
Starts Securities: token-holder names may have leaked via Securitize platform breachスターツ証券InvestigatingUnknown2026-10-31
Club Tourism: internet-member data may have leaked after server intrusion (about 4.32 million)クラブツーリズムInvestigatingUnknown2026-10-31
Kintetsu GHD: investor data may have leaked via NTT DATA digital-securities platform breach (2,678 records)近鉄グループホールディングスInvestigating2,678 Records2026-10-31
Rakuten Securities: customer data may have leaked via digital-bond platform breach (362 records)楽天証券Investigating362 Records2026-10-31
NTT DATA: personal data in STdirectServices may have leaked after vendor SaaS intrusionNTTデータInvestigatingUnknown2026-10-31
EyeMed sends member file to wrong email addressEyeMed Vision CareConfirmedUnknown2026-10-30
Nueva School: files accessed and copiedThe Nueva SchoolConfirmedUnknown2026-10-30
Sony Bank: customer data leaked via Securitize Japan digital-securities vendor breachソニー銀行ConfirmedUnknown2026-10-30
NCH Corporation reports possible file theftNCH CorporationInvestigatingUnknown2026-10-30
Ryobi Systems: data of 778 AITEL health-check booking users leaked via impersonation logins両備システムズConfirmed778 Records2026-10-30
Saku General Hospital: backup HDD with data of 87,765 patients missing; possible exposure佐久総合病院Investigating87,765 People2026-10-30
Baanx US: Crypto Life user data accessedBaanx USConfirmedUnknown2026-10-30
El Camino Health: documents copied from Microsoft 365 accountsEl Camino HealthConfirmedUnknown2026-10-30
NTT Smile Energy: customer and login data may have leaked after Ecomegane intrusionNTTスマイルエナジーInvestigatingUnknown2026-10-30