Linkc Ransomware
TrackedThreat actor group tracked in the global ransomware database · Last disclosure: Apr 8, 2026
ThreatAI Analysis
Compiled from the ransomware.live profile for Linkc and from this database. Figures and technique mappings are quoted from the source data, not inferred.
Who Linkc is
Linkc is a ransomware group first observed in February 2025, operating a Tor-based data leak site and targeting US-based AI, cloud, aerospace, and manufacturing companies — including H2O.ai — demanding ransoms as high as $15 million using double-extortion tactics.
Recorded activity
Disclosures attributed to Linkc in this database run from February 2025 to April 2026, totalling 4 victims — 0% of everything tracked here. Linkc has listed victims in 1 countries in this database, most often United States. The sectors appearing most in its listings are Technology, Manufacturing.
YARA detection rules
linkc.yar
/*
linkc ransomware
*/
rule linkc_Ransomnote
{
meta:
author = "ransomware.live"
family = "ransomware.linkc"
description = "Detects linkc ransomware ransom note or artifact"
date = "2026-05-04"
severity = 7
score = 70
strings:
$name1 = "linkc" ascii nocase
$name2 = "LINKC" ascii
$onion = "linkc.onion" ascii nocase
condition:
any of them
}Community-contributed rules for Linkc, reproduced as published. Test them against your own corpus before relying on them: rule quality and false-positive behaviour vary by author.
Threat Actor Analysis
Linkc is a ransomware threat group that has disclosed 4 victims in publicly accessible leak site data, representing 0% of all ransomware attacks tracked in this database. The earliest victim disclosure attributed to Linkc in our dataset dates to February 2025.
Geographically, Linkc has targeted organisations in 1 countries. The most frequently targeted nation is United States with 4 victim organisations.
Industry-wise, Linkc shows a concentration in the Technology, Manufacturing sectors. These industries are frequently targeted because they manage sensitive data, critical operations, or have lower tolerance for operational downtime — conditions that increase ransom payment likelihood.
Like most modern ransomware operations, Linkc likely employs a double extortion model: encrypting victim files while simultaneously exfiltrating data, creating dual pressure to pay the ransom. Victim organisations that refuse payment face having their data published on the group's dark web leak site.
Note: This profile is generated from public leak site disclosures aggregated via the ransomware.live API. Data is updated automatically. The table below lists the 4 most recent of the 4 disclosures we hold for this group; use the link beneath it to page through all of them.
Recent Victim Disclosures (showing 4 of 4)
| # | Organization | Country | Sector | Date |
|---|---|---|---|---|
| 1 | Network Technology Services of New Jersey nets.net | 🇺🇸 United States | Technology | Apr 8, 2026 |
| 2 | Sajet Products sajetproducts.com | 🇺🇸 United States | Manufacturing | Apr 8, 2026 |
| 3 | StrongLink stronglink.com | 🇺🇸 United States | — | Apr 8, 2026 |
| 4 | h2o.ai h2o.ai | 🇺🇸 United States | Technology | Feb 19, 2025 |
Frequently Asked Questions
What is Linkc ransomware?
Linkc is a ransomware threat group that has claimed 4 victims since its first known activity in February 2025. The group operates by infiltrating target networks, exfiltrating data, encrypting files, and threatening to publish stolen data on a dark web leak site if the ransom is not paid.
How many victims has Linkc attacked?
Linkc has claimed 4 victims in our database, representing 0% of all tracked ransomware attacks. The most targeted countries are United States.
Which countries does Linkc target?
Linkc has attacked organizations in 1 countries. The top targeted countries are: United States.
Which industries does Linkc target?
Linkc most frequently targets the Technology, Manufacturing sectors based on victim disclosures in our database.
Is Linkc still active?
Linkc's most recent victim disclosure in our database was on April 8, 2026. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.