HOMETHREATSkillsec3
RANSOMWARE OPERATION💰 FINANCIAL

killsec3

245
victims
1
campaigns
1
aliases

Intelligence Profile

killsec3 — tracked by MISP Galaxy (ransomware).

Threat Analysis

killsec3 is a ransomware operation that deploys encryption-based extortion against organizations globally. This group maintains a data leak site (DLS) to pressure victims into paying ransom demands.

Financially motivated threat actors like killsec3 prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.

Ransomware Victims (245)

CTIWATCH tracks 245 organizations claimed as victims by killsec3 on its data leak site, with attack dates, sectors and countries.

View full victims list →

Known Campaigns

Killsec3 — Active Campaign March 2026

Killsec3 is conducting an active ransomware campaign targeting organizations across 2 countries. Primary targets: Healthcare, Manufacturing. 2 confirmed victims recorded in the last 45 days. Campaign appears to have stalled.

🎯 Healthcare🎯 Manufacturing
LOW2026

External References

Quick Facts

TypeRansomware Operation
Motivation💰 financial
Aliases1

Also Known As

killsec3

DLS Infrastructure

● ONLINEks5424y3wpr5zlug5c7i6svvxweinhbdcqcfnptkfcutrncfazzgz5id.onion
● ONLINEks5424y3wpr5zlug5c7i6svvxweinhbdcqcfnptkfcutrncfazzgz5id.onion
● ONLINExo4o2o2ezgydykywn6zkyqx7toio6z5rzvmjyakgtgkk22vv7223jmqd.onion

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.