Washington Hotel: ransomware attack
Server intrusion detected February 13 was disclosed February 14; some hotels' card terminals were unavailable. September's final report traced entry through external connectivity equipment and confirmed encryption, but found no clear evidence of information theft or public posting. Some employee data was on affected servers and staff were notified. The external environment holding guest/member data was not breached. Operations recovered.
Disclosed
2026-02-14
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
Timeline
- Detected 2026-02-13
- Disclosed 2026-02-14
- 1 days
Attack or cause
- Method
- [Ransomware][Intrusion]
- Impact
- [Service outage][Data leak]
- Entry point
- Unknown
Data exposed or at risk
Organizations involved
[Breached][Major]Aichi, Nagoya, ChikusaAccommodation, food and drink
Washington Hotel Corporation
Sources
- [1][Official]ランサムウェア感染被害のお知らせWashington Hotel Corporation · 2026-02-14
- [2][Official]ランサムウェア感染被害に関する調査結果および対応状況のお知らせ(最終報)Washington Hotel Corporation · 2026-09-07