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Disclosed Oct 14, 2026. Per Arcadia report, disaster/missing-person/after-school/nursery/fire-corps/staff-assembly registrations (name/email/phone-FAX/LINE ID/DOB etc.) may have leaked. No headcount.
Disclosed around Oct 14, 2026 (vendor report Oct 13). Arcadia SpeeCAN RAIDEN intrusion may have exposed registered emails and FAX numbers. No headcount.
Disclosed Oct 14, 2026. Possible exposure of 172 phone/FAX delivery, 133 RAIDEN119 fire-network, and 9 NET119 records (notice says still unconfirmed). Subsets not summed → blank.
Disclosed around Oct 14, 2026. Arcadia intrusion affecting Oita disaster mail etc. may have exposed personal data including emails. No headcount.
Disclosed Oct 14, 2026 (page updated Oct 19). Possible personal-data leak via Arcadia under investigation. Disaster-info service resumed at 12:00 Oct 16. No headcount.
Disclosed Oct 14, 2026 (PDF body read). About 2,024 people across eight wards (name/phone/email/FAX etc., varies by ward) may have leaked. “About”/subsets → blank.
Disclosed Oct 14, 2026. SpeeCAN RAIDEN (Arcadia) emergency stop; registration mail (emails) and FAX (name/phone/FAX) may have leaked. No headcount.
Disclosed Oct 14, 2026. Arcadia-operated Suzuka disaster mail may have exposed emails of current registrants and former Melmoni registrants. No headcount.
Disclosed Oct 14, 2026. Arcadia intrusion may have exposed disaster-mail (765), FAX delivery (13) and phone delivery (34) registrants. Subsets not summed.
First notice Oct 14, 2026 (PDF body read). Arcadia SpeeCAN RAIDEN intrusion (detected Oct 11) may have exposed Fujisawa disaster-navi 2,353 / health-navi 1,202 / PR digest 1,416 / assembly notice 661 / staff-assembly 1,428 (city aggregate 7,060 includes duplicates → blank). Oct 15 follow-up: fire 119RAIDEN 1,009 registrant records (name/email/phone) and 1,443 fire-dispatch message bodies may also have leaked.
Disclosed Oct 14, 2026. Possible exposure of 1,855 Uenohara admin-disaster emails, 32 phone/FAX disaster records, and 772 disaster-mail 119/NET119 records. Subsets not summed.
Disclosed Oct 14, 2026. Arcadia disaster phone/FAX service intrusion may have exposed registrant personal data. Other channels (Anshin Hotto Mail etc.) out of scope. No headcount.
Disclosed Oct 14, 2026 (PDF body read). Road-regulation mail (Arcadia) may have exposed about 1,500 emails (gross across municipalities). “About/gross” → blank. No direct intrusion confirmed; service continued.
Disclosed Oct 15, 2026. Registration-mail intrusion may have exposed emails for 366 registrants.
Disclosed Oct 14, 2026. Possible exposure of emails for 797 emergency-mail registrants plus town staff names.
Disclosed Oct 14, 2026 (PDF body read). Arcadia-operated Nagano disaster mail may have exposed emails for 6,468 registered users (as of Oct 13). Delivery continued.
Disclosed Oct 14, 2026. SpeeCAN RAIDEN (Arcadia) intrusion may have exposed personal data (town notified Oct 13). Risk of misuse of registered emails. No headcount.
Disclosed Oct 14, 2026. May have exposed Niigata disaster-mail emails, evacuation-phone numbers, facility FAX numbers, and staff-assembly name/affiliation/staff-ID/email. No exact headcount on the HTML notice (detail PDF not retrieved) → blank.
Disclosed Oct 14, 2026. Mail-delivery intrusion may have exposed 165 mimamori-network records (name/address/email; address on 49) plus 6 business email/FAX contacts and 2 past missing-person notices. Subsets not summed.
Disclosed Oct 14, 2026. SpeeCAN RAIDEN intrusion may have exposed registrant name/email/phone/FAX. 8,850 registrants (as of Sep 2026).