← All ransomware groups
Killsec3 logo

Ransomware group profile · #500 by claimed victims

Killsec3 ransomware

Killsec3 is a ransomware operation tracked by VULONE since September 2026.

Active First seen Sep 2026
0Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
0Countries hit
2Leak-site URLs tracked, 1 online
Latest claim recorded

Tactics, techniques and procedures

ATT&CK technique mapping for Killsec3 is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

See full IOCs

Frequently asked

Is Killsec3 ransomware still active?
Killsec3 is tracked as active.
How many victims has Killsec3 claimed?
VULONE has recorded 0 leak-site victim claims attributed to Killsec3, across 0 countries and 0 sectors.
Which industries does Killsec3 target?
Sector data for Killsec3 victims is not yet available.
Which countries are most affected by Killsec3?
Country data for Killsec3 victims is not yet available.
Where does VULONE get Killsec3 victim data?
Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].