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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
Ayase City: Arcadia intrusion may have exposed data on 11,053 safety-mail registrants綾瀬市Investigating11,053 People2026-10-13
Tomiya City: Arcadia SpeeCAN RAIDEN intrusion may have exposed safety-mail emails富谷市InvestigatingUnknown2026-10-13
Joetsu City: Arcadia SpeeCAN RAIDEN intrusion may have exposed safety-mail registrant data上越市InvestigatingUnknown2026-10-13
Tokai City: Arcadia SpeeCAN RAIDEN intrusion may have exposed 1,210 disaster-notification records東海市Investigating1,210 Records2026-10-13
Oyabe City: SpeeCAN RAIDEN intrusion may have exposed disaster/emergency-mail registrant data小矢部市InvestigatingUnknown2026-10-13
Itoman City: Arcadia SpeeCAN RAIDEN intrusion may have exposed disaster-mail emails糸満市InvestigatingUnknown2026-10-13
Arcadia: SpeeCAN RAIDEN intrusion may have exposed up to about 3.136M contact emails and other dataアルカディアInvestigatingUnknown2026-10-13
Sabae City: Arcadia intrusion may have exposed emergency mass-mail registrant data鯖江市InvestigatingUnknown2026-10-13
Ikoma City: Arcadia intrusion may have exposed emergency/disaster-mail registrant data生駒市InvestigatingUnknown2026-10-13
Tulare Joint Union HSD: files copied in intrusionTulare Joint Union High School DistrictConfirmedUnknown2026-10-13
Mybo Fellows: membership-system intrusion leaked data on 419 membersマイボフェローズConfirmed419 People2026-10-13
Koganei City: Arcadia SpeeCAN RAIDEN intrusion may have exposed safety-mail and related registrant data小金井市InvestigatingUnknown2026-10-13
Shioya Town: Arcadia SpeeCAN RAIDEN intrusion may have exposed disaster-mail registrant data塩谷町InvestigatingUnknown2026-10-13
Miyazaki City: Arcadia intrusion may have exposed disaster-mail registrant data宮崎市InvestigatingUnknown2026-10-13
Ikaruga Town: Arcadia SpeeCAN RAIDEN intrusion may have exposed disaster-mail registrant data斑鳩町InvestigatingUnknown2026-10-13
Koga City (Ibaraki): Arcadia intrusion may have exposed disaster/crime-prevention mail registrant data古河市InvestigatingUnknown2026-10-13
Izumi City (Osaka): Arcadia SpeeCAN RAIDEN intrusion may have exposed Izumi Mail registrant data和泉市InvestigatingUnknown2026-10-13
Kakogawa City: staff-mail vendor intrusion may have exposed about 2,200 staff records加古川市InvestigatingUnknown2026-10-13
Miyazaki Pref.: Arcadia intrusion may have exposed 38,959 disaster/crime-mail registrations宮崎県Investigating38,959 Records2026-10-13
Sasebo City: Arcadia SpeeCAN RAIDEN intrusion may have exposed mail-delivery emails佐世保市InvestigatingUnknown2026-10-13