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Ransomware group profile · #558 by claimed victims

Nasirsecurity ransomware

Nasir Security is a pro-Iranian threat actor that emerged around October 2025, primarily targeting energy sector organizations in the Middle East (UAE, Oman, Saudi Arabia, Iraq) and Israeli IT supply chain firms, using spear-phishing, BEC, and exploitation of public-facing applications.

Active First seen Oct 2025
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 Nasirsecurity 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 Nasirsecurity ransomware still active?
Nasirsecurity is tracked as active.
How many victims has Nasirsecurity claimed?
VULONE has recorded 0 leak-site victim claims attributed to Nasirsecurity, across 0 countries and 0 sectors.
Which industries does Nasirsecurity target?
Sector data for Nasirsecurity victims is not yet available.
Which countries are most affected by Nasirsecurity?
Country data for Nasirsecurity victims is not yet available.
Where does VULONE get Nasirsecurity 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].