Ransomware Group beast Hits: Yulkok Ltd
Summary
In the latest cybersecurity news, Yulkok Ltd — a company operating in the KR — has fallen victim to a ransomware attack conducted by the group beast. This data breach, discovered on 2026-02-05 16:20:39.500325, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Yulkok Ltd |
| Threat Group | beast |
| Summary | 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. |
| Date of Breach | 2026-02-05 00:00:00.000000 |
| Discovery Date | 2026-02-05 16:20:39.500325 |
| Region | KR |
| Target Domain | www.yulkok.com |
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How HookPhish Helps You Stay Ahead
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Disclaimer
HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.

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