TANI & ABE www.taniabe.co.jp Ransomware Attack

Ransomware victim

black nevasGroup

JapanCountry

Aug 6, 2025Discovered

Overview

View group profile

Industry

Professional Services

Country

Japan

Discovered

12 months ago

Confidence

70%

Severity

Medium

Status

Unknown

Threat group

black nevas

Total victims

First seen

Aug 2025

Last seen

Jun 2026

Threat level

3.3/10

Aggressiveness6/10

Lethality1.3/10

Criticality2.4/10

Status breakdown

Data Leaked25.0%7

Claimed25.0%7

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

Not a listed target country

Other victims

View all (28)

Same group · black nevas

Arkın Group / Arkın Casino, The Arkın Colony, The Arkın Iskele, and Arkın Palm Beach
Turkey
Data Leaked
Carrera Casting Corp.
United States
Claimed
PROMOSFERA S.R.l.
Italy
Claimed
Quality Data Service, Inc.
United States
Claimed
KINAS SOLICITORS
United Kingdom
Claimed
Paramount Health Services & Insurance TPA Pvt. Ltd
India
Claimed

Group activity

Monthly attacks · black nevas

total · avg 4/mo