KEYUCA security incident history
Hacking, data breaches and other security incidents involving KEYUCA, with related coverage.
Incidents: 1 · Most recent
KEYUCA investigates October supplier breach; up to 77,105 records potentially exposed
77.1kImpact: Up to 77,105 customer information records affected, including potentially exposed records
KEYUCA announced on 11 November that a follow-up investigation into a breach of supplier Nanotech’s server, identified on 21 October 2026, had confirmed a leak of customer information. The attacker exploited a web application vulnerability to install malware and obtain information. Up to 77,105 records are affected, including potentially exposed records, containing names, telephone numbers and order information, as well as addresses and gender for some customers.
Read on 株式会社アクト ↗