Ransomware needs a way in. Stolen credentials are the cheapest one.

真言宗智山派成就院 Ransomware Attack

jyojyuin.o.oo7.jpRansomed

tenguGroup

JapanCountry

Feb 18, 2026Discovered

Overview

View group profile

Domain

jyojyuin.o.oo7.jp

Industry

Professional Services

Country

Japan

Discovered

6 months ago

Attack date

Feb 18, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

tengu

Total victims

First seen

Oct 2025

Last seen

Mar 2026

Group status

active

Sophistication

Impact score

Threat level

2.2/10

Aggressiveness5/10

Lethality0.1/10

Criticality1.4/10

Status breakdown

Data Leaked1.9%1

Claimed

this victim

98.1%51

Targeted sectors

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

Victim's position within group

Industry

Professional Services

Known target sector

Country

Japan

Frequently targeted country

Other victims

View all (52)

Same group · tengu

Group activity

Monthly attacks · tengu

total · avg 8.7/mo

真言宗智山派 成就院 Ransomware Attack

Overview

Threat group

真言宗智山派成就院 Ransomware Attack