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NTU Alumni Club Ransomware Attack

ntualumni.org.sgRansomed

thegentlemenGroup

SingaporeCountry

Aug 9, 2026Discovered

Overview

View group profile

Domain

ntualumni.org.sg

Industry

Education

Country

Singapore

Discovered

about 1 month ago

Attack date

Aug 9, 2026

Confidence

70%

Severity

Medium

Status

Claimed

Threat group

thegentlemen

Total victims

865

First seen

Sep 2025

Last seen

Sep 2026

Group status

active

Sophistication

Impact score

Threat level

4.3/10

Aggressiveness10/10

Lethality0/10

Criticality2.7/10

Status breakdown

Data Leaked0.5%4

Negotiating0.2%2

Claimed

this victim

99.3%859

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

Education

Known target sector

Country

Singapore

Frequently targeted country

Other victims

View all (865)

Same group · thegentlemen

Group activity

Monthly attacks · thegentlemen

865

total · avg 66.5/mo