Systemic Supply Chain Risk and Cyber Exposure in South Korea

This report analyzes the cybersecurity posture of South Korea's largest enterprises, emphasizing the systemic supply chain risks that contribute to elevated cyber exposure. It assesses the cybersecurity ratings of the top 100 publicly traded companies, revealing that while many organizations demonstrate technical maturity, a significant portion faces high breach probabilities due to interconnected vendor dependencies. The report highlights that 46% of these organizations received a D or F rating, indicating substantial cybersecurity risk. Furthermore, it documents the prevalence of breaches among third-party vendors, with 94% of organizations exposed to at least one breach. The findings underscore the importance of supply chain visibility and regulatory compliance, as South Korea's cybersecurity framework evolves to impose stricter accountability measures. The report concludes that effective governance and continuous monitoring of supply chain risks are essential for enhancing cybersecurity resilience in an increasingly interconnected digital landscape.