REXT: ransomware attack on the headquarters and store network
Encryption on August 9 stopped POS and accounting systems and disrupted some stores; disclosure followed August 10. The October 9 report confirmed publication of 310 files. Separately, 1,044,906 member, booking, buyback and related records were potentially exposed, without confirmed theft or publication of that customer dataset. Card data was excluded. Remediation and malware removal were completed and all stores reopened.
Disclosed
2026-08-10
Organizations involved
2
Leaked or at risk
1M
1,044,906
Downtime
Unknown
Timeline
- Detected 2026-08-09
- Disclosed 2026-08-10
- 1 days
Attack or cause
- Method
- [Ransomware]
- Impact
- [Data leak][Service outage]
- Entry point
- Unknown
Data exposed or at risk
Organizations involved
[Breached][Critical]Tokyo, ShinjukuWholesale and retail trade
REXT Co., Ltd.[Breached][Critical]Tokyo, ShinjukuWholesale and retail trade
REXT Holdings Co., Ltd.
Sources
- [1][Official]当社ネットワークへの不正アクセスによる情報漏えいに関する調査結果及び今後の対応について(第5報)REXT Holdings Co., Ltd. · 2026-10-09