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Data breaches

Data breaches

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708 results
Title / subjectOrganizationsVerificationReported impactDisclosed
Hoag Hospital reports possible file accessHoag Memorial Hospital PresbyterianInvestigatingUnknown2026-11-04
Nomura IR Kikan Navi breach exposes investor and analyst information野村インベスター・リレーションズ株式会社ConfirmedUnknown2026-11-04
Duskin DDuet: 657,886 member email addresses leaked via Arara breachダスキン, アララ株式会社Confirmed657,886 Records2026-11-04
Solaseed Air: about 490,000 customer email addresses leaked via external email-system breachソラシドエアConfirmedUnknown2026-11-04
Plenus: Hotto Motto newsletter vendor breach leaked member data (up to about 7 million records)プレナスConfirmedUnknown2026-11-04
Kracie Yakuhin Kampoful Life: 59,428 member email addresses leaked via Araraクラシエ薬品Confirmed59,428 Records2026-11-04
BOATRACE Promotion: Telebote newsletter email addresses leaked via Arara breach (up to 684,772)BOATRACE振興会ConfirmedUnknown2026-11-04
Hasegawa: 305 customer email addresses leaked via Arara breachはせがわConfirmed305 Records2026-11-04
Mitsui Sumitomo Insurance: about 37,000 customer records leaked from policyholder portal intrusion三井住友海上火災保険ConfirmedUnknown2026-11-04
Aioi Nissay Dowa: about 444,000 customer records leaked from policyholder portal intrusionあいおいニッセイ同和損害保険ConfirmedUnknown2026-11-04
Monteroza: newsletter member data may have leaked via Arara breach (625,429 email addresses)アララ株式会社, モンテローザInvestigating625,429 Records2026-11-04
Shochiku Multiplex Theaters: 3,320,305 SMT Members records leaked via Arara breach松竹マルチプレックスシアターズConfirmed3,320,305 Records2026-11-04
Dentsu Soken: personal data in a client FACERE environment may have leaked via access misconfiguration電通総研InvestigatingUnknown2026-11-04
Workman: newsletter subscribers' email addresses leaked via Arara breach (up to about 1.45 million)ワークマン, アララ株式会社ConfirmedUnknown2026-11-04
Seijo Ishii: online-shop newsletter email addresses leaked via Arara breach (up to 168,630)成城石井ConfirmedUnknown2026-11-03
KALDI online store: 820,420 newsletter email addresses leaked via Arara breachキャメル珈琲, アララ株式会社Confirmed820,420 Records2026-11-03
Yokohama City: personal data may have leaked via e-application email-service intrusion横浜市InvestigatingUnknown2026-11-03
Center Theatre Group: file with SSNs mistakenly sent to state agencyCenter Theatre GroupConfirmedUnknown2026-11-03
Denny's Japan: member data may have leaked after unauthorised access to its appデニーズジャパンInvestigatingUnknown2026-11-03
Asoview discloses 15,821,184 member records exposed through Araraアソビュー株式会社Confirmed15,821,184 Records2026-11-03