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coastline announced on January 13 that member data in its Smaregi App Market app had been taken without authorisation. Smaregi said on January 8 and 13 that its own systems were not breached and the data was held by the external vendor.
Possible data leak: Canvass’s My Page server for software tickets/licences was hit by ransomware early on January 6; an interim report followed on January 9 and a January 29 investigation report assessed leak risk.
Possible data leak: The city announced on January 9 that on 29 Dec 2025 association PCs were remotely controlled for about 30 minutes after a fake virus alert, with an e-money remittance loss.
Possible data leak: A first report on January 8 said the academic-affairs system was accessed without authorisation on 22 Dec 2025 and encrypted by ransomware.
On January 7 the centre’s Hitobito Miura portal sent an event notice whose program bug put member emails in other recipients’ To fields; a January 9 follow-up stated the count.
Unauthorised access to a faculty member’s personal Google account may have exposed 423 items concerning event applicants and successful graduate applicants, plus historical email information.
Possible data leak: CAC announced on January 5 that it had stopped Academic Support Navi after a malicious program was placed on its web server from 18–25 Dec 2025; later reports confirmed abuse of administrator privileges.