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Disclosed Oct 16, 2026. About 4,900 disaster-mail, about 100 phone/FAX and about 2,900 staff safety-check registrants may have leaked. About/subsets → blank.
Disclosed Oct 16, 2026 (delivery resumed same day). Possible exposure of name/phone/FAX/email for 328 call/FAX/mail registrants.
Disclosed Oct 16, 2026. Possible exposure of 39 NET119 citizens and 308 119RAIDEN fire staff/corps. Subsets not summed.
An October 15 internal review found the FANCL and Attenir e-commerce sites were accessed without authorisation October 3-10 and some member data leaked.
ONDA confirmed unauthorized viewing of some HotelPlus reservations on October 12–13 and is investigating a possible leak of names, mobile numbers and booking details.
Disclosed Oct 15, 2026. Staff-only assembly-mail intrusion may have exposed personal data. Citizen data and disaster app out of scope. No headcount.
Disclosed Oct 15, 2026. Arcadia NET119 intrusion may have exposed registrant personal data. No headcount.
Disclosed Oct 15, 2026 (fire HQ). Arcadia-related intrusion may have exposed personal data. No headcount.
Disclosed around Oct 14-15, 2026. SpeeCAN RAIDEN intrusion may have exposed personal data. No headcount.
Disclosed Oct 15, 2026 (fire HQ). Arcadia NET119/119RAIDEN intrusion may have exposed registrant personal data. No headcount.
Unauthorised access to the Burger King Japan app member system occurred October 2-7, 2026, and a member-data leak was found on October 13.
Disclosed Oct 15, 2026. Arcadia intrusion may have exposed disaster-notification registrant data. No headcount.
Disclosed Oct 15, 2026. Disaster-mail intrusion may have exposed personal data. No headcount.
Disclosed Oct 15, 2026. Possible exposure of fire-corps mail (2,159) / phone (394) and Net119 (174) registrants. Subsets not summed.
Disclosed Oct 15, 2026. SpeeCAN RAIDEN (Arcadia) intrusion may have exposed personal data. No headcount.
An unauthorised party accessed and acquired information including mortgage origination, underwriting and closing files on September 8–9, 2026.
Disclosed Oct 15, 2026. Multiple services (citizen/staff/childcare/hospital/119 Raiden) may have exposed registrant data. Subsets not summed; about-figures not stored as exact.
Disclosed Oct 15, 2026. Possible exposure of 721 fire-mail etc. registrants and 1 NET119 user. Subsets not summed.
Disclosed Oct 15, 2026. Registrant email/name/phone/FAX may have leaked. No headcount.
Disclosed Oct 15, 2026. Arcadia intrusion may have exposed registration-time personal data. No headcount.