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Data breaches

Data breaches

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1130 results
Title / subjectOrganizationsVerificationReported impactDisclosed
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
Shimane Pref.: Arcadia intrusion may have exposed about 1,500 road-regulation mail registrations島根県InvestigatingUnknown2026-10-14
Fujisaki Town: Arcadia intrusion may have exposed emails of 366 registration-mail users藤崎町Investigating366 People2026-10-14
Yuzawa Town: vendor intrusion may have exposed emails of 797 emergency-mail registrants and staff names湯沢町Investigating797 People2026-10-14
Nagano City: Arcadia intrusion may have exposed emails of 6,468 disaster-mail registrants長野市Investigating6,468 People2026-10-14
Naie Town: Arcadia SpeeCAN RAIDEN intrusion may have exposed disaster mass-notification registrant data奈井江町InvestigatingUnknown2026-10-14
Niigata City: disaster-notification vendor intrusion may have exposed Niigata disaster-mail and related data新潟市InvestigatingUnknown2026-10-14
Naka Town (Tokushima): Arcadia intrusion may have exposed data on 165 mimamori-network registrants and related contacts那賀町InvestigatingUnknown2026-10-14
Hayama Town: Arcadia intrusion may have exposed data on 8,850 disaster-mail registrants葉山町Investigating8,850 People2026-10-14
Ichikawa City: Arcadia intrusion may have exposed data on 171 phone/FAX mass-notification registrants市川市Investigating171 People2026-10-14
Tsushima City: Arcadia RAIDEN intrusion may have exposed Bosai Hotto Mail and staff registrant data津島市InvestigatingUnknown2026-10-14
Chiba City: Arcadia SpeeCAN RAIDEN intrusion may have exposed safety-mail and related registrant data千葉市InvestigatingUnknown2026-10-14
Tamano City: Arcadia intrusion may have exposed 5,001 disaster-mail magazine registrations玉野市Investigating5,001 Records2026-10-14
Fukuoka City: vendor intrusion may have exposed data on 1,038 evacuation-notification registrants福岡市Investigating1,038 People2026-10-14
Nara City: Arcadia intrusion may have exposed disaster-info mail registered emails奈良市InvestigatingUnknown2026-10-14
Tsurugi Town: Arcadia intrusion may have exposed information-mail registrant dataつるぎ町InvestigatingUnknown2026-10-14
Toyokawa City: Arcadia-hosted Toyokawa Anshin Mail may have exposed 36,328 registrations豊川市Investigating36,328 Records2026-10-14
Otaru City: Arcadia intrusion may have exposed registration-mail, staff-assembly and NET119 registrant data小樽市InvestigatingUnknown2026-10-14
Hatsukaichi City: Arcadia SpeeCAN RAIDEN intrusion may have exposed safety-mail registrant data廿日市市InvestigatingUnknown2026-10-14