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Washington Hotel in Japan Suffers Ransomware Attack

First seen 17 Feb 2026, 13:11 UTC • Bleepingcomputer

+2 •59.9

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ThreatCluster

The Washington Hotel brand in Japan has reported a ransomware attack that compromised its servers, potentially exposing various business data. The hospitality group, part of Fujita Kanko Inc., has formed an internal task force and hired external cybersecurity experts to assess the situation and coordinate recovery efforts.

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Timeline

2026-02-13

CVE-2026-25108 published

2026-02-16

Washington Hotel discloses ransomware infection incident

2026-02-17

Washington Hotel announces formation of internal task force

Attack Flow

10 entities, 9 inferred relationships (STIX 2.1).

Technique (2)

Ransomware
T1059 - Command and Scripting Interpreter

Organization (5)

Muji
Nissan
NTT
Washington Hotel
Washington Hotel Corporation

Vulnerability (1)

CVE-2026-25108

Affected Platform (1)

FileZen

Threat Actor (1)

Asahi

Relationships

Asahi uses Ransomware
Asahi uses T1059 - Command and Scripting Interpreter
Asahi exploits CVE-2026-25108
CVE-2026-25108 targets FileZen
Asahi targets Muji
Asahi targets Nissan
Asahi targets NTT
Asahi targets Washington Hotel
Asahi related to Washington Hotel Corporation

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Washington Hotel in Japan Suffers Ransomware Attack

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Timeline

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Attack Flow

Defensive Countermeasures

Extracted Entities

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