• Review of KIISC
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• v.24 no.1
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• pp.59-64
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• 2014

전력계통의 안정성이 무너질 경우 정전의 발생으로 국가적인 경제적 손실과 더불어 사회적 혼란이 야기될 수 있다. 따라서 전력계통의 신뢰성 보장을 위해 국가 차원의 제도마련 및 운영이 필요하다. 이에 미국에서는 전력운용의 신뢰성 보장을 전담하는 기구를 통해 전력사의 전력계통 운영을 감시 및 감사함으로써 전력계통 신뢰도 보장에 힘쓰고 있다. 본 고에서는 전력계통의 신뢰성 침해의 다양한 원인 중 최근 큰 이슈가 되고 있는 사이버 보안 침해에 대응하기 위한 전력계통 신뢰도 관리 기구의 활동을 살펴보고, 국내에 전력신뢰도 관리기구 및 관련 관리체계 구축 시에 사이버 보안 측면에서 고려되어야할 사항들에 대해 살펴보고자 한다.

• Proceedings of the Korean Information Science Society Conference
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• 2003.10a
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• pp.634-636
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• 2003

역할기반 접근제어모델은 기업이나 정부 등의 조직체계를 반영하는데 적합한 접근제어 모델로 컴퓨터의 자원을 접근하는 데에도 유용하게 사용될 수 있으며, 임의접근제어나 강제접근제어 방식의 단점을 대안할 수 있는 방법이기도 하다. 본 논문에서는 기존의 역할기반 접근제어 방식에서 사용자에게만 할당하던 역할을 객체에게도 할당하여 객체의 관리와 보안성을 향상시켰다. 객체의 특성에 따라 사용자들이 접근할 수 있는 권한이 비슷한 경우가 많기 때문에, 이를 기반으로 하여 객체를 역할의 단위로 관리할 경우 보다 효율적인 객체 관리를 할 수 있고, 동일한 보안 등급을 갖는 객체들이 하나의 역할로 그룹지어지기 때문에 보안 관리 측면에서도 효율적이다 할 수 있다.

• Proceedings of the Korea Information Processing Society Conference
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• 2015.10a
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• pp.794-796
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• 2015

본 연구는 소프트웨어의 소스코드를 대상으로 보안 취약성을 자동으로 평가할 수 있는 방안을 연구하여 소프트웨어 취약점 관리의 자동화 기술 아키텍처를 제안한다. IT가 생활환경의 기반기술로 보급화 되며 소프트웨어시장이 가파르게 성장하고 있다. 영리 소프트웨어의 경우 개발기관에서 관리 및 지원을 하지만, 오픈소스 소프트웨어는 비영리 목적과 개발환경으로 인해 체계적으로 관리되기가 어려워 취약점이 발생하기 쉽다. 그럼에도 비용과 효율의 문제로 오픈소스가 광범위하게 활용되고 있어, 오픈 소스 소프트웨어를 도입한 기관 및 단체에 침해를 유발하고, 보안수준을 악화시키고 있다. 이에 오픈 소스 소프트웨어는 소스코드가 공개되는 소프트웨어라는 점을 활용하여 소스코드 수준에서의 취약점 관리 자동화를 지원함으로써, 오픈소스 소프트웨어를 활용하는 분야의 보안 환경을 안전하게 향상시킬 수 있다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.10a
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• pp.1097-1100
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• 2009

Korean navy is developing an information system-based a computer - network for efficient business process and information exchange and management efficiency expansions. Naval welfare portal was developed to the part, and newly development at present to solve a problem. But inconvenient point in the army, most people do not has personal Internet PC. At this paper, we explain case study of naval welfare portal, and propose development strategy that consider of security issue.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.18 no.9
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• pp.464-472
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• 2017

In the ICT (Information and Communication Technology) convergence security environment, a lot of companies use an external public web system for the external disclosure and sharing of product information, manufacturing technology, service manualsand marketing materials. In this way, the web system disclosed on the Internet is an important aspect of cyber security management and has an always-on vulnerability requiringan information protection solution and IT vulnerability checks. However, there are limits to vulnerability detection management in anexternal environment. In this study, in order to solvethese problems, we constructed a system based on digital forensics and conducted an empirical study on the detection of important information in enterprises by using forensic techniques. It was found thatdue to the vulnerability of web systems operated in Korea and overseas, important information could be revealed,such as the companies' confidential data and security management improvements. In conclusion, if a system using digital forensic techniques is applied in response to theincreasing number of hacking incidents, the security management of vulnerable areas will be strengthened and the cyber security management system will be improved.

• Journal of the Korea Society for Simulation
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• v.18 no.2
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• pp.1-8
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• 2009

Enterprise security management system proposed to properly manage heterogeneous security products is the security management infrastructure designed to avoid needless duplications of management tasks and inter-operate those security products effectively. In this paper, we defined the security policies using Z-Notation and the detection algorithm of policy conflict for managing heterogeneous firewall systems. It is designed to help security management build invulnerable security policies that can unify various existing management infrastructures of security policies. Its goal is not only to improve security strength and increase the management efficiency and convenience but also to make it possible to include different security management infrastructures while building security policies. With the process of the detection and resolution for policy conflict, it is possible to integrate heterogeneous security policies and guarantee the integrity of them by avoiding conflicts or duplications among security policies. And further, it provides convenience to manage many security products existing in large networks.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2021.10a
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• pp.447-448
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• 2021

The boundary-based security architecture has the advantage of easy deployment of security solutions and high operational efficiency. The boundary-based security architecture is easy to detect and block externally occurring security threats, but is inappropriate to block internally occurring security threats. Unfortunately, internal security threats are increasing in frequency. In order to solve this problem, a zero trust model has been proposed. The zero trust model requires a real-time monitoring function to analyze the behavior of a subject accessing various information resources. However, there is a limit to real-time monitoring of file access of a subject confirmed to be trusted in the system. Accordingly, this study proposes a method to monitor user's file access in real time. To verify the effectiveness of the proposed monitoring method, the target function was verified after the demonstration implementation. As a result, it was confirmed that the method proposed in this study can monitor access to files in real time.

• The Journal of the Korea institute of electronic communication sciences
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• v.19 no.1
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• pp.241-248
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• 2024

Socially, organizations are required to effectively manage their information resources, both in terms of acquiring information from external sources and safeguarding against potential breaches by insiders. While information security policies and technologies implemented by organizations contribute to achieving internal security, an overly complex or disorganized security structure can create uncertainty among employees. In this study, we identify factors of structural information security (IS)-related uncertainty within organizations and propose that they contribute to non-compliance. We develop a research model and hypotheses based on previous studies on the information security environment and test these hypotheses using structural equation modeling. Our findings indicate that uncertainties related to IS policy, technology, and communication decrease employees' IS role identity and their intention to comply with IS measures. By addressing these uncertainties, organizations can improve their IS environment and work towards achieving there is goals.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.25 no.6
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• pp.1435-1447
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• 2015

Finance Companies are operating a security solution such as E-DRM(Enterprise-Digital Right Management), Personal information search, DLP(Data Loss Prevention), Security of printed paper, Internet network separation system, Privacy monitoring system for privacy leakage prevention by insiders. However, privacy leakages are occurring continuously and it is difficult to the association analysis about relating to the company's internal and external distribution of private document. Because log system operated in the separate and independent security solutions. This paper propose a systematic chains that can correlatively analyze business systems and log among heterogeneous security solutions organically and consistently based on security documents. Also, we suggest methods of efficient detection for Life-Cycle management plan about security documents that are created in the personal computer or by individual through the business system and distribution channel tracking about security documents contained privacy.

• Convergence Security Journal
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• v.12 no.5
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• pp.87-97
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• 2012

Privacy of personal information disclosure incident occurs frequently as a problem to our society's most important and sensitive social agenda is emerging. Personal information is actually more accurate, depending on the type or types of economic value and sensitivity, the quality of the information, because it can cause a spill a serious social threat and systematic personal information protection and management are not carried out and the information society in a big mess can result. Customers my affairs when small guard security companies, especially the sensitive personal information of customers who need to work, the collected information be leaked or the company's trade secrets, are exposed on the outside, it could be a serious threat to a greater problem cause. Small escort guard companies, however, compared with large companies to build its own security system, due to issues such as the extent of funding, staffing shortages, there are many difficulties. Status of Information Security, scale and analyze the characteristics of small escort guard companies occupied by guard security companies in the present study, sleep, look at him in the solution of the practical issues of information protection system laid small guard. Expenses supplier of propose a security system for preventing the leakage of personal information.