Japan

worldleaks

World Leaks emerged in January 2025 as a rebrand of the Hunters International ransomware operation, shifting its focus from file encryption to solely stealing sensitive data and threatening to leak it unless a ransom is paid

First seen 2022-06-24 · Last seen 2026-07-21 · 5 Japan claims

Cached from ransomware.live. 2026-10-01 PT. Leak sites are not linked.

TSN Co., Ltd.

JP

Discovered: 2026-03-20 <span class="ransom-ago">(6mo ago)</span>

www.tsn-net.co.jp

LTS Group

JP

Discovered: 2026-01-24 <span class="ransom-ago">(8mo ago)</span>

LTS Group Inc. is a private company specializing in providing educational and healthcare professionals for schools and centers. Based in…

ltsgroup.tech

Kobayashi

JP

Discovered: 2025-11-01 <span class="ransom-ago">(11mo ago)</span>

Kobayashi Pharmaceutical Co. Ltd. is a Japanese company that specializes in the manufacturing and sale of over-the-counter drugs, oral…

www.kbjapan.co.jp

Mandom Corporation

JP

Discovered: 2025-10-11 <span class="ransom-ago">(11mo ago)</span>

Mandom Corporation is a Japanese company specializing in the production and sale of cosmetics, perfume, and health products. Originated…

mandom.co.jp

Nicke

JP

Discovered: 2025-08-19 <span class="ransom-ago">(13mo ago)</span>

www.nikke.co.jp