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Listed on a ransomware leak site

SEED CO LTD

seed.co.jp

SEED CO LTD was listed on the ALPHV leak site on Jul 12, 2025. Information as of Oct 19, 2026.

Country: JapanIndustry: Healthcare
Updated continuously · figures as of Oct 19, 2026
Claimed by
ALPHV
First listed
Jul 12, 2025
Claims recorded
1

Leak-Site Claim.

ALPHVConfirmed claim
Posted on the leak site
Date not shown
Collected by Brandefense
Jul 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
SEED CO LTD refused to protect the data of their company, employees and customers. This link (TOR) contains the random files of SEED CO LTD: [removed] Auction ends Dec. 9 for all sensetive data of SEED CO LTD and their customers, including - NDA engineering documents for various developments - Financial and personal information - Analytical and strategic documents from all divisions of the company To participate in the auction to purchase SEED CO LTD data, you can email [removed] Headquarters: [removed] Hongo, Bunkyo-ku, Tokyo, Japan Phone Number: [removed] Website: [removed] Revenue: $213…

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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.