HIGHRansomware
Global

Japan's Keio confirms ransomware attack disrupted business systems

·Source: BleepingComputer

Updated:

Executive Summary

Keio Corporation (Keio), a major private railway operator in Japan, said its network was hit by a ransomware attack over the weekend, disrupting some of its business systems. [...]

Analysis

Keio Corporation (Keio), a major private railway operator in Japan, said its network was hit by a ransomware attack over the weekend, disrupting some of its business systems. [...]
Source Attribution

Originally published by BleepingComputer on Sep 28, 2026.

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