SigmaControl Ransomware Attack
sigmacontrol.eu
Overview
View group profileDomain
sigmacontrol.eu
Industry
Technology
Country
Netherlands
Discovered
about 2 months ago
Attack date
Jun 15, 2026
Confidence
100%
Severity
Medium
Status
Claimed
Threat group
thegentlemenTotal victims
370
First seen
Aug 2025
Last seen
Aug 2026
Group status
active
Sophistication
0
Impact score
89
Threat level
4.2/10Aggressiveness10/10
Lethality0.1/10
Criticality2.2/10
Status breakdown
Data Leaked0.8%3
Negotiating0.3%1
Claimed
this victim
98.9%366Victim's position within group
Industry
Technology
Known target sector
Country
Netherlands
Frequently targeted country
Other victims
View all (370)Same group · thegentlemen
Group activity
Monthly attacks · thegentlemen
370
total · avg 28.5/mo