WMH A.I CyberSecurity Scoring
WMH
Company Information
Website:https://www.washington-mayfair.co.uk/
Employees number:45
Number of followers:443
NAICS:7211
Industry Type:Hospitality
Homepage:washington-mayfair.co.uk
WMH Risk Score (AI oriented)
Between 650 and 699
WMHHospitality
Updated:
12/03/2026
12/03/2026
652/1000
Weak
B
WMH Global Score (TPRM)
xxxx
WMHHospitality
Score locked

WMHWeak
Current Score
652B (WEAK)
01000
1 incidents
-123 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
660
JUNE 2026
659
MAY 2026
656
APRIL 2026
655
MARCH 2026
653
FEBRUARY 2026
773
Ransomware
13 Feb 2026 • WMH
Washington Hotel: Washington Hotel Suffers Ransomware Attack, Systems Disrupted
Washington Hotel Chain Hit by Ransomware Attack in Japan
650
CRITICAL-123
THE1771338416
Washington Hotel Chain Hit by Ransomware Attack in Japan
On February 13, 2026, Washington Hotel, a prominent chain across Japan, confirmed a ransomware attack targeting multiple servers. The breach was detected at approximately 10:00 PM, prompting the IT team to swiftly disconnect external network connections to contain the incident.
The following day, the company established a dedicated task force to manage the crisis, collaborating with Japanese law enforcement and external cybersecurity experts to investigate the attack and assess potential data exposure. While business operations, including check-ins and payment processing, remained largely unaffected, some temporary disruptions occurred with credit card terminals. The company confirmed that loyalty program data, stored on third-party servers, was not compromised.
The attack encrypted business data on the affected servers, though it remains unclear whether any information was exfiltrated. No details have emerged regarding the ransomware strain used or whether a ransom demand was made. Cybersecurity analysts suggest the hospitality sector remains a prime target due to its reliance on interconnected booking and payment systems, which can cripple operations if disrupted.
Japan’s hospitality industry has seen a rise in cyber threats as digital adoption such as contactless check-ins and mobile apps increases. Weaknesses in server security, including outdated software or unpatched vulnerabilities, are suspected as potential entry points. Experts note that many hotels lag in implementing basic defenses like multi-factor authentication and regular backups.
Washington Hotel’s rapid response, including system isolation, helped mitigate damage. Under Japan’s updated breach notification laws, the company has pledged transparency with ongoing updates. As the investigation continues, the incident serves as a reminder of the growing cyber risks facing even well-established businesses in the hospitality sector.
INCIDENT DETAILS -
TYPE
IMPACT
DATA BREACH
REFERENCES
JANUARY 2026
773
DECEMBER 2025
773
NOVEMBER 2025
773
OCTOBER 2025
773
SEPTEMBER 2025
773
AUGUST 2025
773
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