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ransomware
Japan's Keio confirms ransomware attack disrupted business systems
Keio Corporation, a major private railway operator in Japan, disclosed that a ransomware attack over the weekend of September 27-28 disrupted some of its business systems. The incident affected the company's network infrastructure and operational capabilities.
Why it matters: Transportation operators and their customers face service disruptions and data exposure risks; practitioners should assess whether critical infrastructure dependencies are backed by ransomware response and recovery plans.
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- First seen by Cybersecurity Tracker