• Review of KIISC
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• v.7 no.2
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• pp.85-94
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• 1997

This paper describes the notion of a Multilevel Secure Knowledge Base Management System(MLS/KBMS). It states a security policy and security constraints. A design for query operation introduced cover story in a MLS/KBMS is discussed. Query processing approach is to provide cover stories that lead to alternative explanations for readily available information. Therefore such cover stories prevent an unauthorized user from inferring high-level information from low-level data.

• The Journal of Society for e-Business Studies
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• v.21 no.2
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• pp.121-133
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• 2016

All industries has expanded their research investment for development and secure of new technology, following application of ICT technology and rapid growth of industrial technology. Therefore efforts to protect the new technology have strengthened. Several governments have conducted a variety of industrial security activities with interest because these efforts are considered not only business problem level but also national level. In this paper, we research the industrial security related organization that performs the activities for industrial assets protection and technology drain prevention. Furthermore we discuss problems with the industrial security performance of government and emphasize the necessity of industrial security department in government.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.16 no.5
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• pp.79-92
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• 2006

Computer virus is one of the most common information security problems in the information age. This study investigates the difference of users' perception of security elements between large companies and small-and-medium companies on the subject of computer virus. Based on t-test, no significant difference is found in users' perception on security threat and security risk While users satisfy with the level of security policy, there is a significant difference on the level of security policy recognition between the two sizes of companies. Moreover, there are significant differences on information assets, security vulnerability and security effectiveness, which implies difference in the users' perception on importance of assets, exposure to threats and computer virus prevention efforts between large and small-and-medium companies.

• Journal of Information Technology Services
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• v.19 no.1
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• pp.173-185
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• 2020

It is very important to evaluate training because it can systematically grasp the current status of training. Evaluation includes getting ongoing feedback from the learner, trainer and learner's supervisor, to improve the quality of the training and identify if the learner achieved the goals of the training. It also provides a justification for the implementation of training. Nonetheless, there is a lack of studies that attempt to evaluate information security training programs. In this study, we utilize the Philips model to evaluate the public training programs for the people who are in charge of the information security duties in the public sector and propose the training improvement plans. Research result has shown that it is necessary to evaluate the level of the trainees in advance and conduct training programs according to the information security skill level. In addition, it needs to conduct training according to duties such as information security management, information security operate and maintain. The limitation of this study is that each education program was not assessed individually because this study had developed an evaluation tool that could be used comprehensively.

• Journal of the Society of Disaster Information
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• v.5 no.1
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• pp.104-119
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• 2009

The purpose of this study is to examine the effects of job involvement and organization commitment on job form of security guard. The total 260 subjects are composed of 50 women and 210 men who work at security company for security guards in Seoul and Gyonggi province. First, according to the populational and social character, job involvement was higher in women security guards than men, higher in 'above 41' for age, higher in 'university' for educational level, and higher in '300-400' for incomes. Second, according to the populational and social character, organization commitment was higher in men security guards than women, higher in 'above 41 ' for age, higher in 'graduate school of university' for educational level, and higher in '300-400' for incomes. Third, according to the form of the job, the job involvement was higher in 'under 10' for their career, higher in 'manager' for their responsibilities of work, higher in 'afternoon working' for the time schedules, and higher in 'field service' for the kind of working. Fourth, according to the form of the job, the organization commitment was higher in 'under 10' for their career and higher in 'field service' for the kind of working. However, there was no difference between the responsibilities of work and the time schedules. Fifth, it increases the organization, when the job involvement of the security guards such as work attachment, active performance, and the pursuit of job achievement.

• Knowledge Management Research
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• v.20 no.4
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• pp.39-55
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• 2019

Although Firms have been increasing their information security significantly to handle increased security risks, the effects of information security were not well understood. This study aims to investigate the market value of information security by employing the event study methodology. Our research also explores how market responses vary depending on the type of information security announcements. We collected 177 firm-level information security announcements between 2001 and 2017 in South Korea. For all samples, our results indicate that the stock market positively reacts to information security announcements. We also conducted subsample analysis and found that while information security certification announcement has a positive impact on the stock market, information security activities (e.g. award, information security system) announcement had no impact on the stock market. Our study adopted a novel approach (i.e. event study) for investigating the effects of information security and found that information security investment positively affects firm value. Our results allow managers to measure the effects of information security investment and help them make right decisions on information security investment.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.8 no.3
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• pp.63-78
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• 1998

Recently, to use the evaluated firewall is recognized as a solution to achieve the security and reliability for government and organizarions in Korea. Results of firewall evaluation using ITSEC(Information Technology Security Evaluation Criteria) and CCPP(Common Criteria Protection Peofile)have been announced. Because there are problems to apply ITSECor CCPP for the firewall evaluation in korea environment, korea government and korea Information security Agency (KISA) decided to develop our own security dvaluation critrtia fir firewalls.As a result of the efforts, Korea firewall security evaluation criteria has been published on Feb. 1998. In this paper, we introduce Korea security evaluation criteria for firewalls. The ceiteria consists of functional and assurance requirements that are compatible with CC Evaluation Assurance Levels(EALs)

• Convergence Security Journal
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• v.2 no.2
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• pp.137-142
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• 2002

When the Common Criteria(CC) for security system evaluation was put up, and the coming into the CCRA is promoted, the interest to the Evaluation Assurance Level(EAL) is greatly increasing. In this paper, via the comparison between the evaluation level of the exiting process evaluation criteria and the EAL of CC, the characteristics of the EAL of the CC are noted.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2004.10a
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• pp.357-360
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• 2004

Electronic Data Interchange (EDI) between a number of companies goes on increasing on the internet. Although a conventional EDI system reduces business process efforts, time, resources, etc., important information is easily and frequently exposed by well trained hackers and crackers, which inflict a severe loss on the company and even put the company under a crisis. This study integrates the conventional EDI system and Virtual Private Net (VPN) to maximize an overall efficiency of speed and security in data transaction by the level of importance. The EDI system properly interfaced to IPSec and L2TP of VPN allows us to select two modes: the one focuses on a high speed with a low or a medium level security or the other does on a high level security with a low or a medium level speed. Both the company and the end users get a lot of tangible and intangible advantages by integrating the EDI system and VPN.

• Convergence Security Journal
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• v.20 no.2
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• pp.3-13
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• 2020

Organizations are facing a new, diverse security threat as ICT based industrial environment arises. As a way of effective countermeasure for security threat, organizations are making an effort to establish internalization of security culture, targeting a organizational members. However, members' awareness toward security receptiveness is low as inconvenience exists in business process and existing security culture focuses on controlling and regulating. Accordingly, this research desires to develop a participatory security culture which can higher the efficiency of security work process and induce members' voluntary participation. A comparative analysis on security culture related prior researches is conducted and based on a drawn components, statistical verification is accomplished. It is expected to contribute on future research on measuring a security culture level.