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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

10 days ago

Attack date

Aug 25, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

black nevas

Total victims

First seen

Sep 2025

Last seen

Sep 2026

Threat level

2.9/10

Aggressiveness7/10

Lethality0.4/10

Criticality1.2/10

Status breakdown

Data Leaked6.8%4

Claimed

this victim

93.2%55

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 (59)

Same group · black nevas

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

Group activity

Monthly attacks · black nevas

total · avg 6.4/mo