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Keio Corporation Ransomware Attack

Ransomware victimRansomed

QilinGroup

JapanCountry

Oct 15, 2026Discovered

Overview

View group profile

Industry

Transportation

Country

Japan

Discovered

about 8 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

Industry

Transportation

Known target sector

Country

Japan

Frequently targeted country

Other victims

View all (1424)

Same group · Qilin

Group activity

Monthly attacks · Qilin

1,424

total · avg 109.5/mo