Taihan Cable Employees Referred to Prosecutors for Trade Secret Theft
Severity: Medium (Score: 48.9)
Sources: Biz.Chosun, Koreaherald
Published: · Updated:
Keywords: cable, taihan, trade, police, secrets, prosecutors, concluded
Summary
The Gyeonggi Nambu Provincial Police Agency has referred 13 individuals and three corporations to prosecutors for allegedly violating the Unfair Competition Prevention and Trade Secret Protection Act. The accused include four employees from Taihan Cable & Solution, seven officials from Gawoon Comprehensive Architects, and two from an equipment company. The investigation revealed that Taihan Cable obtained confidential design materials from LS Cable & System during the construction of a submarine cable plant in Dangjin between 2022 and 2023. LS Cable claims that these designs are core trade secrets, while Taihan Cable argues the information lacks economic value. The case, which has been ongoing since 2023, is expected to escalate into civil lawsuits potentially worth hundreds of billions of won. The police's findings indicate a serious breach of confidentiality agreements by Gawoon Architects. The legal battle between the two leading cable manufacturers in South Korea is anticipated to intensify as the case moves to prosecution. Key Points: • 13 individuals and 3 corporations referred to prosecutors for trade secret theft. • Allegations involve improper acquisition of LS Cable's submarine cable plant designs. • Potential civil lawsuits could reach hundreds of billions of won if Taihan is found guilty.
Detailed Analysis
**Impact** The case involves 13 individuals—including four employees of Taihan Cable & Solution, seven officials from Gaun General Architects, and two from an equipment company—and three corporations. The dispute affects South Korea’s cable manufacturing sector, specifically the submarine cable plant operations in Dangjin, South Chungcheong Province. Potential damages include the unauthorized use of LS Cable & System’s proprietary plant design information, which could lead to civil lawsuits worth hundreds of billions of won and damage to competitive positioning between the country’s top two cable makers. **Technical Details** The incident centers on the unauthorized acquisition of confidential factory design materials related to submarine cable plants during the 2022–2023 design process. The attack vector involved insiders at Taihan Cable & Solution and Gaun General Architects, who allegedly breached nondisclosure agreements to share sensitive design data. No malware, CVEs, or specific infrastructure details were reported. The case primarily concerns intellectual property theft during the information gathering and exfiltration stages of the kill chain. **Recommended Response** Organizations should review and enforce nondisclosure agreements and access controls for sensitive design and engineering documentation. Monitoring insider activity and data access logs related to proprietary plant designs is critical. Legal teams should prepare for potential civil litigation, and cybersecurity teams should enhance protections around intellectual property assets. No specific technical indicators of compromise (IOCs) or patches were provided in the available information.
Source articles (2)
- Police send LS–Taihan trade secret case to prosecutors in South Korea — Biz.Chosun · 2026-05-28
Police concluded that Taihan Cable & Solution employees improperly obtained LS Cable & System's trade secrets and referred those involved to prosecutors. The Gyeonggi Nambu Provincial Police Agency's… - Taihan Cable accused of obtaining trade secrets from competitor LS Cable — Koreaherald · 2026-05-28
Police have concluded that Taihan Cable & Solution improperly obtained trade secrets tied to submarine cable plant technology from rival LS Cable & System, escalating a major legal battle between Sout…
Timeline
- 2023-01-01 — Investigation launched into Taihan Cable: Police began investigating allegations of trade secret theft involving Taihan Cable and LS Cable.
- 2026-05-28 — Police refer case to prosecutors: Police concluded their investigation and referred 13 individuals and 3 corporations to prosecutors for trade secret violations.
Related entities
- Data Breach (Attack Type)
- Gaun General Architects (Company)
- LS Cable & System (Company)
- Taihan Cable & Solution (Company)
- South Korea (Country)