Ransomware Intelligence

TSN Co., Ltd.

tsn-net.co.jp

worldleaksGroup

JapanCountry

Mar 20, 2026Discovered

Overview

View group profile

Domain

tsn-net.co.jp

Industry

Manufacturing

Country

Japan

Discovered

3 months ago

Attack date

Mar 20, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

Total victims

124

First seen

Jun 2025

Last seen

May 2026

Group status

active

Sophistication

0

Impact score

66

Threat level

3.4/10

Aggressiveness6/10

Lethality0/10

Criticality4.3/10

Status breakdown

Claimed

this victim

100.0%124

Targeted sectors

Education Energy & Utilities Financial Services Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Retail & E-Commerce Technology Transportation

Victim's position within group

Industry

Manufacturing

Known target sector

Country

Japan

Frequently targeted country

Other victims

Same group · worldleaks

Group activity

Monthly attacks · worldleaks

124

total · avg 10.3/mo