Ransomware group profile · #506 by claimed victims
Lambda ransomware
Lambda is a ransomware operation tracked by VULONE since September 2026.
Tactics, techniques and procedures
ATT&CK technique mapping for Lambda 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.
Frequently asked
Is Lambda ransomware still active?
How many victims has Lambda claimed?
Which industries does Lambda target?
Which countries are most affected by Lambda?
Where does VULONE get Lambda victim data?
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].