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ColdRecon / Breach Radar / IDC Frontier
Breach Record

IDC Frontier

DISCLOSED 2026-10-11 · RANSOMWARE · RANSOMWARE

A ransomware attack on Japanese cloud provider IDC Frontier has affected 495 organizations, including railways and police services. Some customers have been warned that their data may be impossible to recover. IDC Frontier is a subsidiary of SoftBank and a major domestic cloud provider in Japan.

The record

What we know

Disclosed
2026-10-11
Attack vector
Ransomware
Sector
cloud provider
Country
Japan
Domain
idcf.jp
RANSOMWARE
Sources

Cited reporting

Similar vector · recent

Other ransomware breaches on file

This page is the permanent ColdRecon entry for the IDC Frontier disclosure. It updates if new public reporting emerges. All tracked breaches →

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