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Ransomware group profile · #495 by claimed victims

Kasseika ransomware

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

Defunct First seen Sep 2026
0Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
0Countries hit
0Leak-site URLs tracked
—Latest claim recorded

Tactics, techniques and procedures

ATT&CK technique mapping for Kasseika 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 Kasseika ransomware still active?
Kasseika is tracked as defunct.
How many victims has Kasseika claimed?
VULONE has recorded 0 leak-site victim claims attributed to Kasseika, across 0 countries and 0 sectors.
Which industries does Kasseika target?
Sector data for Kasseika victims is not yet available.
Which countries are most affected by Kasseika?
Country data for Kasseika victims is not yet available.
Where does VULONE get Kasseika 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.

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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].