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MEFA Group Ransomware Attack

mefagroup.com.trRansomed

black nevasGroup

TurkeyCountry

Sep 8, 2026Discovered

Overview

View group profile

Domain

mefagroup.com.tr

Industry

Manufacturing

Country

Turkey

Discovered

about 1 month ago

Attack date

Aug 25, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

black nevas

Total victims

First seen

Oct 2025

Last seen

Sep 2026

Threat level

2.3/10

Aggressiveness5/10

Lethality0.4/10

Criticality1.2/10

Status breakdown

Data Leaked6.9%4

Claimed

this victim

93.1%54

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

Turkey

Not a listed target country

Other victims

View all (58)

Same group · black nevas

Optimum First Mortgage (Pear's acting group's promotional blog)
—
Claimed
MEFA
—
Claimed
Optimum First Mortgage
United States
Claimed
PROMOSFERA S.r.l.
Italy
Data Leaked
Cosaen Grup SA
—
Data Leaked
Abans Group
Sri Lanka
Claimed

Group activity

Monthly attacks · black nevas

total · avg 7.1/mo