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Disclosed Oct 15, 2026. SpeeCAN RAIDEN (Arcadia) intrusion may have exposed landslide-risk notification registrant emails/addresses etc. No headcount.
Disclosed Oct 15, 2026. Possible exposure of name/DOB/sex/address/phone etc. for 11 NET119 registrants. Service usable.
Disclosed Oct 15, 2026. Fire HQ notification-system intrusion may have exposed personal data. No headcount.
Disclosed Oct 15, 2026. Notification-system vendor intrusion may have exposed personal data (SpeeCAN/Arcadia cascade). No headcount.
Disclosed Oct 15, 2026. Arcadia NET119 intrusion may have exposed personal data. Service remains usable. No headcount.
Disclosed Oct 15, 2026. Emergency-mail registrant emails and staff name/email/unit may have leaked. No headcount.
Disclosed Oct 15, 2026. Possible exposure includes about 21,600 disaster-mail and related phone/FAX/heat-alert/staff-assembly subsets. About/subsets → blank.
Disclosed Oct 14, 2026. Arcadia NET119 intrusion may have exposed registrant data. No confirmed impact on 119 reporting; service continued. No headcount.
Disclosed Oct 14, 2026. SpeeCAN RAIDEN staff-messaging intrusion may have exposed data for about 13,000 staff etc.
Disclosed Oct 14, 2026 (updated Oct 16). SpeeCAN RAIDEN intrusion may have exposed after-school/preschool emergency-mail registrations (guardian/child name/email/DOB/unit etc.). No headcount.
Disclosed Oct 14, 2026. Arcadia-operated safety mail may have exposed personal data. Details/headcount not yet fixed.
Disclosed Oct 14, 2026. Arcadia intrusion may have exposed published total 524 records across registration mail, emergency phone/FAX delivery, and staff-assembly (email / name-phone-FAX / name-email).
Disclosed Oct 15, 2026. 119RAIDEN may have exposed emails for 409 fire-corps, 25 city staff and 22 fire-station staff. Subsets not summed.
Disclosed Oct 14, 2026. Unauthorized access to the disaster mass-notification service operator may have exposed personal data. Scope under investigation; notice states outflow not confirmed at publication. No headcount.
Disclosed Oct 14, 2026. About 900 staff emergency-assembly mail records (name/email etc.) may have leaked. “About” → blank. No public impact.
Possible data leak: Disclosed Oct 14, 2026. Arcadia intrusion targets fire-corps contact-mail registrants; disaster mail and staff-assembly noted separately. No headcount.
Disclosed around Oct 14, 2026 (intrusion confirmed Oct 13). Arcadia-operated Izumo disaster mail may have exposed registered emails. No headcount.
First disclosed Oct 14, 2026 (page updated Oct 26). Arcadia-hosted server intrusion may have exposed about 2,900 records (name/email/district). “About” → blank. Reported to PPC on Oct 16.
Disclosed Oct 14, 2026. Log analysis at 05:58 Oct 13 found illicit mypage viewing. Up to 817,215 app members (not LINE/Amazon/Rakuten-only) may have had name/address/phone/email/DOB/sex/occupation/shipping and card last-4/expiry/name viewed. Full card numbers, passwords and purchase actions not leaked/not performed.
Disclosed around Oct 14, 2026 (updated Oct 16). Tachikawa Mimamori Mail (SpeeCAN RAIDEN/Arcadia) emergency-stopped. Possible exposure: email, town name, preferred categories. No headcount.