A STUDY ON EFFECTIVE COUNTERMEASURES AGAINST CYBER ATTACKS IN SOUTH KOREA

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Authors
Do, Geunhyoung
Subjects
cyber space
cybersecurity
cybersecurity capabilities of South Korea
cyber attack of North Korea
policy of United States cybersecurity
Republic of Korea
ROK
Advisors
Huntley, Wade L.
Date of Issue
2022-12
Date
Publisher
Monterey, CA; Naval Postgraduate School
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Abstract
Based on U.S. cybersecurity policy, this thesis proposes effective countermeasures for the Republic of Korea (ROK) to prepare for, deter, and recover from cyber threats posed by North Korea. This study identifies the most dangerous North Korean cyber strikes facing South Korea by reviewing several cases of North Korean cyberattacks, the ROK’s countermeasures, and the severity of the damage caused by the attacks. The study builds on the writings of academics and subject matter experts as well as publicly available government policy documents, although specifics on policy are limited due to national security concerns. In addition, the study acknowledges how the cybersecurity paradigm has shifted as a result of U.S. planning, reaction to, and establishment of follow-up measures for an attack of a similar type by a cyber superpower. The strategy of deterring an opponent's operations based on the past has evolved into a strategy of preparing for enemy attacks through information sharing and preemptive defense measures, and counterattack by rapid recovery and identification of the enemy through resilience and with tracking technologies. Although the ROK is a country with well-developed information technology, its cybersecurity knowledge, systems, and technology remain weak in comparison to North Korea's abilities. Consequently, it is conceivable that the ROK can respond effectively to North Korea’s cyber threats by applying the lessons learned from the United States.
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Thesis
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Department
National Security Affairs (NSA)
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