Ransomware Intelligence

QuadMiners (South Korea)

Ransomware victim

nightspireGroup

South KoreaCountry

Jun 7, 2025Discovered

Overview

View group profile

Country

South Korea

Discovered

12 months ago

Confidence

70%

Severity

Medium

Status

Unknown

Threat group

Total victims

245

First seen

Jun 2025

Last seen

May 2026

Group status

active

Sophistication

0

Impact score

77

Threat level

2.4/10

Aggressiveness5/10

Lethality0/10

Criticality2.1/10

Status breakdown

Claimed17.1%42

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

Country

South Korea

Not a listed target country

Other victims

Same group · nightspire

Group activity

Monthly attacks · nightspire

245

total · avg 22.3/mo