🚨Cyber Alert ‼️
🇯🇵Japan - 𝗞𝗲𝗶𝗼 𝗖𝗼𝗿𝗽𝗼𝗿𝗮𝘁𝗶𝗼𝗻
The Qilin ransomware group claims to have breached Keio Corporation, a major Japanese transportation company, and threatened to leak allegedly stolen confidential data. The group published 27 sample images reportedly showing internal documents, employee information, HR databases, financial records, internal communications and business contracts.
Keio Corporation disclosed that it detected a ransomware attack against Keio Group servers in the early hours of September 26, 2026, resulting in system disruptions.
Threat actor: Qilin
Sector: Transportation
Data exposure (claimed): Not Specified
Data type: Internal documents, employee personal information, HR databases, financial and accounting records, internal communications, business contracts
Observed: Oct 15, 2026
Status: Ransomware attack confirmed by victim; Qilin's claim pending verification
ESIX©: 6.15
Full details and impact assessment on
HackRisk.io