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tein.co.jp Ransomware Attack

tein.co.jpRansomed

JapanCountry

Nov 6, 2025Discovered

Overview

View group profile

Domain

tein.co.jp

Industry

Technology

Country

Japan

Discovered

10 months ago

Attack date

Nov 6, 2025

Confidence

85%

Severity

Medium

Status

Claimed

Threat group

Total victims

26

First seen

Sep 2025

Last seen

Nov 2025

Group status

active

Sophistication

0

Impact score

85

Threat level

1.9/10

Aggressiveness5/10

Lethality0/10

Criticality0.6/10

Status breakdown

Claimed

this victim

100.0%26

Targeted sectors

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

Victim's position within group

Industry

Technology

Known target sector

Country

Japan

Frequently targeted country

Other victims

Same group · warlock

Group activity

Monthly attacks · warlock

26

total · avg 13/mo