Yulkok Ltd
bd_a59ec18d83713a17 · schema v1 · pii pii-v1
Full breach record for Yulkok Ltd →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Beast on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
Yulkok Ltd. (South Korea) This is a major global player with the same name. Operations: Manufacturing high-precision parts and assemblies for the aerospace industry. Specialization: 5-axis CNC metal machining, fuselage component assembly. Partners: Collaborates with global giants such as Boeing and Airbus, as well as Korea Aerospace Industries (KAI) for the production of military aircraft (e.g., T-50, FA-50). Location: Headquartered in Changwon, South Korea; founded in 1990.
Source provenance
- Source URL
- https://www.ransomware.live/id/WXVsa29rIEx0ZEBiZWFzdA==
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Feb 5, 2026
- Raw hash
- 08c97fb43596817a04567a74437790666163e064c80aa18c0238897f87794e47
Reporting entity
- Name
- beast
Victim entity
- Name
- Yulkok Ltdnorm: yulkok
- Domain
- yulkok.com
- Industry
- Manufacturingllm
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· beast
- Threat actor
- BeastExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.