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Listed on a ransomware leak site

Corona Corporation

corona.co.jp

Corona Corporation was listed on the MetaEncryptor leak site on Aug 23, 2026. Information as of Oct 19, 2026.

Country: JapanIndustry: Education and Research
Updated continuously · figures as of Oct 19, 2026
Claimed by
MetaEncryptor
First listed
Aug 23, 2026
Claims recorded
1

Leak-Site Claim.

MetaEncryptorConfirmed claim
Posted on the leak site
Aug 23, 2026
Collected by Brandefense
Aug 23, 2026
Data claimed
320 GB
Leak-site post text, written by the group
The company specializes in creating a comfortable home environment, focusing on heating, cooling and hot water technologies. It was founded at April 1937, and now have more than 2000 employee. Corona Corporation is stock listed, ticker 5909.T at Tokyo Stock Exchange (Standard)

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.