Cota Reports IT System Outage Attributed to Cyberattack

Summary
Cota Co., Ltd. reported an IT system outage on March 27, 2026, attributed to a cyberattack. The company is investigating possible data theft with external experts and working to restore systems.
Key points
- Cota Co., Ltd. reported an information system outage on March 27, 2026, attributed to a cyberattack.
- The company is investigating the incident with external experts.
- Investigators are assessing whether personal or customer data was stolen; theft has not been confirmed.
- Cota is taking steps to restore systems and has consulted relevant authorities.
- The announcement was the company’s first public communication about the incident.
Article Details
- Victim Organization
- Cota Co., Ltd.
- Victim Domain
- cota.co.jp
- Incident Type
- Cyberattack causing an information system outage
- Incident Date
- 2026-03-27
- Disclosure Date
- 2026-03-27
- Operational Impact
- Information systems were unavailable. Cota Co., Ltd. is investigating the impact, including whether personal or customer data was stolen, and is taking measures to restore systems.
- Claim Status
- confirmed
