Japanese tech firm Oomiya hit by LockBit 3.0. Multiple supply chains potentially impacted

Pierluigi Paganini October 17, 2022

The IT infrastructure of the Japanese tech company Oomiya was infected with the LockBit 3.0 ransomware.

One of the affiliates for the LockBit 3.0 RaaS hit the Japanese tech company Oomiya. Oomiya is focused on designing and manufacturing microelectronics and facility system equipment.

The business of Omiya Kasei is divided into four major areas, manufacturing and designing chemical and industrial products, designing electronic materials, pharmaceutical development, and factory manufacturing.


Lockbit 3.0 operators claim to have stolen data from the company and threaten to leak it by October 20, 2022 if the company will not pay the ransom. At this time, the ransomware gang has yet to publish samples of the alleged stolen documents.

This incident could have a significant impact of third party organizations because Oomiya is in the supply chain of major organizations worldwide in multiple industries, including manufacturing, semiconductors, automotive, communications, and healthcare.

The Lockbit affiliates are the most active in this period, bolows data shared by DarkFeed that demonstrates the malware has hit hundreds of organizations.

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Pierluigi Paganini

(SecurityAffairs – hacking, Oomiya)

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