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Data breaches

Search incidents by company, country, industry, year and attack method. Review affected data, impact, verification status, company responses and sources.

1169 results
CardsTable
Title / subjectOrganizationsVerificationReported impactDisclosed
Fuchu City (Tokyo): 119RAIDEN intrusion may have exposed fire-corps, city-staff and fire-station mail registrations府中市InvestigatingUnknown2026-10-14
Kyoto City: disaster mass-notification vendor intrusion may have exposed personal data京都市InvestigatingUnknown2026-10-14
Yamanashi Pref.: vendor intrusion may have exposed about 900 staff emergency-assembly mail records山梨県InvestigatingUnknown2026-10-14
Yawatahama City: Arcadia intrusion may have exposed fire-corps contact-mail registrant data八幡浜市InvestigatingUnknown2026-10-14
Izumo City: Arcadia intrusion may have exposed Izumo disaster-mail registered emails出雲市InvestigatingUnknown2026-10-14
Makurazaki City: Arcadia intrusion may have exposed about 2,900 disaster/general-info mail registrations枕崎市InvestigatingUnknown2026-10-14
Aena: EC-app intrusion may have exposed mypage data for up to 817,215 membersアエナInvestigatingUnknown2026-10-14
Tachikawa City: Arcadia SpeeCAN RAIDEN intrusion may have exposed Tachikawa Mimamori Mail registrant data立川市InvestigatingUnknown2026-10-14
Nagaokakyo City: Arcadia intrusion may have exposed disaster / missing-person / after-school / nursery / fire-corps / staff-assembly registrant data長岡京市InvestigatingUnknown2026-10-14
Isahaya City: Arcadia SpeeCAN RAIDEN intrusion may have exposed disaster-mail registrant data諫早市InvestigatingUnknown2026-10-14
Nakama City: Arcadia RAIDEN/NET119 intrusion may have exposed multiple service registrant data中間市InvestigatingUnknown2026-10-14
Oita City: Arcadia intrusion may have exposed disaster-mail and related registrant data大分市InvestigatingUnknown2026-10-14
Ebetsu City: Arcadia intrusion may have exposed disaster-info service registrant data江別市InvestigatingUnknown2026-10-14
Yokohama City: vendor intrusion may have exposed about 2,024 notification registrants across eight wards横浜市InvestigatingUnknown2026-10-14
Izumisano City: Arcadia SpeeCAN RAIDEN intrusion may have exposed registration-mail and FAX registrant data泉佐野市InvestigatingUnknown2026-10-14
Suzuka City: Arcadia intrusion may have exposed disaster-mail and former Melmoni registered emails鈴鹿市InvestigatingUnknown2026-10-14
Takeo City: Arcadia intrusion may have exposed disaster mail/FAX/phone registrant data武雄市InvestigatingUnknown2026-10-14
Fujisawa City: Arcadia SpeeCAN RAIDEN / 119RAIDEN intrusion may have exposed Fujisawa mail-magazine and fire-alert registrant data藤沢市InvestigatingUnknown2026-10-14
Uenohara City: vendor intrusion may have exposed admin-disaster mail, phone/FAX, disaster-mail 119 and NET119 registrant data上野原市InvestigatingUnknown2026-10-14
Takasaki City: Arcadia intrusion may have exposed disaster phone/FAX registrant data高崎市InvestigatingUnknown2026-10-14