• Korean Security Journal
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• no.17
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• pp.143-155
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• 2008

Purpose of this study is to analyze actual perception of security business of security workers centering on employees working within building and to improve accomplishment of works for security workers. For this, first, activities of security workers are discussed. Second, perception of employees of companies for the necessity of security workers, non-necessity of security workers, qualification requirements of security workers for improving business recognition were established as a framework of the study. Changes for recognition of security works in modern life are a little falling behind compared to unstopping economic development and diversifying job classifications. Even at present, expression of security works is still regarded as manager of facilities or apartments in the past. In other words, it is recognized as a simple change of title and names from apartment guard to security workers. Security works in the modern job classification is settling down as a professional field of facility management and as a part of various controls such as protection and security and its field is also expanding. It is a professional job with the purpose to analyze and prevent diverse criminal actions occurring in the society and also to introduce alternative measures with the role to prevent accidents to be occurred in variety in advance instead of simple working format taking a fixed guard post. Area of security works for the purpose of maximizing necessity of security works shall have equipped with deployment of professional security workers, consideration of business satisfaction of security workers, prevention education for rapidly changing safety accidents, and substantiality in the field. We expect to have more sophisticated area of security works with ceaseless efforts and with instillation of recognition of professionalism by security workers themselves.

• Proceedings of the KIEE Conference
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• 2004.11c
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• pp.126-128
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• 2004

This paper proposes design and implementation for IKE system that is available to IP security communication on IPv6 network. IPsec is a standard for security on network or processing layer of network communication. IPsec consists of step to negotiate security policy and step to negotiate and provide security key material for peer-to-peer security. We use the ISAKMP for negotiating security policy. And we use the IKE for negotiating and providing the key material. The system is based on VxWorks and is tested with Racoon that is a IKE daemon on FreeBSD. In this paper, we propose an implementation method for mobile host providing network communication with IP security.

• Korean Security Journal
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• no.1
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• pp.123-134
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• 1997

Our conuntry have come out to the phenomenon to the atrocity crimes, make into a intellecture crims and specialization with them due to various change to the expension of economy growth, drift of population to cities and sense of value is plunged in confution, Now that things have come to this day, since foundation of the security guard law it first begin, ten years, civilian securities guard law was include to the civil service securities law due to amendment fo the civility secuties law newly on Dec. 30, 1995. According to the amendment, the part of the public peace of peoples livelihood were slough of the visual angle in knowledge which function of the civilies security were only be in under the government dimension were put in order to be tointly according to the such state of affairs, should found the consider a counterplan fundamentally regarding to the what to doing efforts foster the civilities securitylaw and qualitalive elevation of presidential guards. To make a long story short by few words, the question resolves itself into the following five points. The first, peoples arrengements for the attitude fo public duty service with devotedly Sustaining publicity work activities for the thire divert of the understanding of civilian security guard. The secondly, Existing security traders and security association should to support to the civilian security works. The third, The government office concerned should strengthen the licensing system in order to improve the quality of existings in order to may establishment newly systems of license and technical institute of regarding to them. The fourth, Should be newly organixed the exclusive organization of personal protective works in the police buroau for the sustaining development of civirity guard works and soundness of the upbringing. The fifth, It is necessary to found the reserch institute for the study on oretical, scholarly, study for the technical reserch and enlargement of effeciveness And try to find a solution to the Universitys function and duty, activity plan, support plan to the Department of security specialist for the come forward in succession it under the national assistance. The finally, I am sure that the Korean security association could be transiormed into the organization which reliable and receive a love from the peoples when doing best utmost to do pursuit of the structure to be a securitys legalism, specialization and total security systems.

• Proceedings of the Korea Information Processing Society Conference
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• 2019.10a
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• pp.407-408
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• 2019

산업제어시스템에서 사용되는 소프트웨어의 보안취약점을 테스트하기 위한 방법으로 퍼징(Fuzzing)이 사용되고 있다. 퍼징 시스템은 크게 퍼징 대상을 테스트하는 퍼저(fuzzer)와 퍼징 대상을 모니터링하는 모니터링 모듈로 구성된다. 본 논문에서는 VxWorks 환경에서 효과적인 퍼징을 제공하기 위해 요구되는 퍼징 대상 모니터링 기능을 정의하고 모니터링 모듈을 설계한다.

• Convergence Security Journal
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• v.2 no.2
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• pp.123-135
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• 2002

As the development of information technology and thus the growth of security incidents, there has been increasing demand on developing methodologies and tools for measuring the information security level of organizations for the efficient security management. However, most works from foreign countries are not realistic in constructing the checklists, moreover their tools provide neither the ease of use nor the inexpensiveness, and most domestic works are not properly considering the characteristics of the organizations when measuring the information security level. In this study, an efficient information security levelling tool is suggested, which applies the multiple variable weights for security levelling according to the characteristics of organizations and the fuzzy technique to reduce the user's subjectivity.

• Journal of the Korea Society of Computer and Information
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• v.10 no.4 s.36
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• pp.375-384
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• 2005

As the development of information communication technology and thus the growth of security incidents, there has been increasing demand on developing methodologies and tools for measuring the information security level of organizations for the efficient security management. However, most works from foreign countries are not realistic in constructing the checklists, moreover their tools provide neither the ease of use nor the inexpensiveness, and most domestic works are not properly considering the characteristics of the organizations when measuring the information security level. In this study, an efficient information security levelling tool is suggested, which applies the multiple variable weights for security levelling according to the characteristics of organizations and the fuzzy technique to reduce the user's subjectivity and the genetic algorithm to establish the security countermeasure.

• Convergence Security Journal
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• v.9 no.2
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• pp.33-39
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• 2009

The problems of current network security system, separated by a single element is checked. To improve this, this thesis is to find vulnerabilities in the network security systems, and network security systems, security equipment, organic to make sure each works is a comprehensive review. Automation also offers a way to check it, it was implemented.

• International Journal of Computer Science & Network Security
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• v.21 no.7
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• pp.273-283
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• 2021

The aim of this paper is to review the current knowledge management (KM) practices and their importance in the public sector of Saudi Arabia. Using the term "knowledge management in public sector", a search for available works was done in Google Scholar. In the first stage, the search for literature published under anytime choice was done in the first 10 pages of the search engine. Then another nine pages of Goggle Scholar were searched for more recent works published setting the time as 2014 to 2018. The search yielded 37 usable works for this review. The results of this literature search and review indicated that out of the 37 works reviewed, only three works were related to Saudi Arabia. Number of papers on factors of KM were maximum, many of them giving diagrammatic presentation of their results. KM modelling itself is not easy as only very few papers on KM modelling were available. Problems of too much reliance on qualitative data and hypotheses not matching with the literature backgrounds for them were also found. Considering the works related to KM, the number of papers in various categories may indicate the dimensions of KM to be considered when KM is implemented or evaluated in any public sector of any country. This applies to Saudi Arabian public sector organizations also. There is a fertile ground of research waiting to be investigated by researchers in Saudi Arabia.

• Korean Security Journal
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• no.53
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• pp.63-79
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• 2017

Defence Security Command is the only military intelligence and investigation agency which is in charge of safeguarding military information and investigating specific crimes such as subversion and disloyalty in military. While the presidential security provided by Defence Security Command, along with Presidential Security Service(PSS) and the police, forms one of three pillars sustaining presidential security, its works and activities have been rarely known to the public due to the military confidentiality. This study looks into some data specialized into the presidential security among works of Defense Security Command by using various resources such as biographies of key people, media reports, and public materials. It reviews the presidential security works in a historical sense that the works have developed and changed in accordance with the historical changes of Defense Security Command, which was rooted in Counter-Intelligence Corps (Teukmubudae in Korean) in 1948 and leads to the present. The study findings are as follows. First, when the Korean War broke out in 1950 and since then the South Korea was under the threat of the North Korean armed forces and left wing forces, Counter-Intelligence Corps(Bangcheopdudae in Korean) took the lead in presidential security more than the police who was in charge of it. Secondly, even after the Presidential Security Office has founded in 1963, the role of the military on presidential security has been extended by changing its titles from Counter-Intelligence Corps to Army Security corps to Armed Forces Security Command. It has developed their provision of presidential security based on the experience at the president Rhee regime when they could successfully guard the president Rhee and the important government members. Third, since the re-establishment into Defence Security Command in 1990, it has added more security services and strengthened its legal basis. With the excellent expertise, it played a pivotal role in the G20 and other state-level events. After the establishment of the Moon Jaeinin government, its function has been reduced or abolished by the National Defense Reform Act. However, the presidential security field has been strengthening by improving security capabilities through reinforcing the organization. This strengthening of the security capacity is not only effective in coping with the current confrontation situation with the hostile North Korean regime, but also is important and necessary in conducting constant monitoring of the military movement and security-threat factors within military during the national security events.

• International Journal of Computer Science & Network Security
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• v.22 no.12
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• pp.107-115
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• 2022

Recently, big data applications need another database different from the Relation database. NoSQL databases are used to save and handle massive amounts of data. NoSQL databases have many advantages over traditional databases like flexibility, efficiently processing data, scalability, and dynamic schemas. Most of the current applications are based on the web, and the size of data is in increasing. NoSQL databases are expected to be used on a more and large scale in the future. However, NoSQL suffers from many security issues, and one of them is access control. Many recent applications need Fine-Grained Access control (FGAC). The integration of the NoSQL databases with FGAC will increase their usability in various fields. It will offer customized data protection levels and enhance security in NoSQL databases. There are different NoSQL database models, and a document-based database is one type of them. In this research, we choose the CouchDB NoSQL document database and develop an access control mechanism that works at a fain-grained level. The proposed mechanism uses role-based access control of CouchDB and restricts read access to work at the document level. The experiment shows that our mechanism effectively works at the document level in CouchDB with good execution time.