CYBERSECURITYTRACKER
Incidents

Linkc

Review this actor's tracked leak-site claims, published reporting, and attributed threat evidence.

ransomware7 leak-site claims, all timeLatest observed leak-site post 2026-04-07

Portable threat brief

Linkc

Facts from stored data only; no AI-written text.

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Executive facts

Actor
Linkc
Kind
ransomware
Latest observed
2026-04-07
Leak-site claims
7
Catalogued techniques
0

Scope

Tracked sectors
Technology, Aerospace & Defense, Manufacturing
Claim records
2025-02-18 to 2026-04-07

Vulnerability events linked to this group

No dated vulnerability events are attached to this group's linked vulnerabilities.

Verified techniques

No verified ATT&CK mapping for this group.

Defensive actions

No defensive actions are attached to this profile.

Ransomware claim data is unverified: RansomLook (CC BY 4.0).

Most-claimed sectorsTechnologyAerospace & DefenseManufacturing
Activity window in this site's data

This is only the dates observed by this site. It is not this actor's lifetime or evidence of dormancy outside these dates.

Claim records
First observed Latest observed
Verified ATT&CK phases represented

No verified ATT&CK mapping for this group

Origin and motivation

Origin and motivation not attributed.

Sourced threat-actor profile: MISP Galaxy (Malware Information Sharing Platform)
Also known as
LinkC

Source: MISP Galaxy, CC0 1.0 Universal or BSD-2-Clause, by an exact match on the name or one of its listed alternate names.

Cited references: https://www.redhotcyber.com/en/post/linkc-ransomware-the-new-cybercriminal-group-targeting-artificial-intelligence-data/#google_vignette, https://www.cyfirma.com/research/tracking-ransomware-february-2025/, https://www.cyjax.com/resources/blog/new-extortion-ransomware-group-linkc-emerges-what-you-need-to-know/

No MITRE ATT&CK group mapping exists for this actor yet. Mappings here are strict: an actor links to a MITRE group only when the group's own name, aliases, or MITRE-published description match, and MITRE has not catalogued this group. Technique and defensive action data will appear automatically if a verified mapping lands.

Claims posted under this group's name or leak-site brand
7 on this site
View all on Breaches →
Leak-site claim activity

Claims per month, 2025-02 to 2026-04. Peak 3 in 2026-02.

2025-022026-04
Show monthly counts as a table
MonthClaims
2025-021
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-023
2026-032
2026-041

0 additional claims without a disclosure date

Ransomware claim data is unverified: RansomLook (CC BY 4.0).

Glossary