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Data breaches

Data breaches

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438 results
Title / subjectOrganizationsVerificationReported impactDisclosed
Possible personal-data leak after unauthorized access to Raksul print-submission systemsラクスル株式会社InvestigatingUnknown2026-11-09
SEGA reports 2,196,044 newsletter email-address records exposed through Arara株式会社セガConfirmed2,196,044 Records2026-11-09
Seoul PASS confirms reservation-data leaks on two access occasionsTravolution Inc.ConfirmedUnknown2026-11-09
Waseda confirms acquisition of 3,342 authentication-related user records早稲田大学Confirmed3,342 Records2026-11-09
2rinkan reports possible personal-data leak at roadside-service contractor株式会社２りんかんイエローハットInvestigatingUnknown2026-11-06
Shiseido confirms exposure of 2,515 skin-analysis data records株式会社資生堂Confirmed2,515 Records2026-11-06
Possible leak of SmartNews partner emails and internal user IDsスマートニュース株式会社InvestigatingUnknown2026-11-06
M1 discloses breach involving customer identity and contact informationM1ConfirmedUnknown2026-11-06
Customer data exposed at DOCOMO Online Shop and My docomo株式会社NTTドコモConfirmedUnknown2026-11-05
Eight Dentsu inquiry records potentially exposed via Studio株式会社電通Investigating8 Records2026-11-05
RevSpring reports possible patient-data access via support toolRevSpringInvestigatingUnknown2026-11-04
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
Center Theatre Group: file with SSNs mistakenly sent to state agencyCenter Theatre GroupConfirmedUnknown2026-11-03
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
7NOW delivery-customer data exposed through contractor株式会社セブン‐イレブン・ジャパンConfirmedUnknown2026-11-03
Suntory group external-cloud data breachサントリーホールディングス株式会社ConfirmedUnknown2026-11-02
Cotton Incorporated: user database export exposed and downloadedCotton IncorporatedConfirmedUnknown2026-11-02
Prestige International: up to about 5.5 million roadside-service records taken株式会社プレステージ・インターナショナルConfirmedUnknown2026-11-02
EyeMed sends member file to wrong email addressEyeMed Vision CareConfirmedUnknown2026-10-30