Nagoya City Senior Citizen Survey Roster and Questionnaires Missing, Involving Addresses and Care Information

According to Security NEXT, Nagoya City received a report from a community welfare commissioner on December 3, 2025, that a senior citizen survey roster and questionnaires kept at the commissioner's home had been lost ^[1]. The roster covered 36 households and 47 individuals, containing names, addresses, phone numbers, dates of birth, care-need levels, employment status, and household types ^[1]. Additionally, questionnaires for two individuals in one household contained names, addresses, dates of birth, and senior household status; the report describes physical document loss rather than a confirmed external cyber intrusion ^[1].

Industries mainly affected: Government

Additionally, questionnaires for two individuals in one household contained names, addresses, dates of birth, and senior household status; the report describes physical document loss rather than a confirmed external cyber intrusion ^[1].