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KD Corp Ransomware Attack

kdcorporation.co.krRansomed

QilinGroup

South KoreaCountry

Oct 15, 2026Discovered

Overview

View group profile

Domain

kdcorporation.co.kr

Country

South Korea

Discovered

about 13 hours ago

Attack date

Oct 15, 2026

Confidence

85%

Severity

Medium

Status

Claimed

Threat group

Qilin

Total victims

1,424

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

123

Threat level

3.9/10

Aggressiveness10/10

Lethality0/10

Criticality1.2/10

Status breakdown

Data Leaked0.1%1

Claimed

this victim

99.9%1,423

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

View all (1424)

Same group · Qilin

Keio Corporation
Japan
Claimed
Telcoe Federal Credit Union
United States
Claimed
Segres Systec
Spain
Claimed
The Excalibur Group
United States
Claimed
KD Corp
South Korea
Claimed
Hocon Gas
Nigeria
Claimed

Group activity

Monthly attacks · Qilin

1,424

total · avg 109.5/mo