• KSII Transactions on Internet and Information Systems (TIIS)
• /
• v.13 no.4
• /
• pp.1904-1921
• /
• 2019

In this paper, we investigate the problem of secure communications in multiple-input-multiple-output interference networks from the perspective of physical layer security. Specifically, the legitimate transmitter-receiver pairs are divided into different categories of active and inactive. To enhance the security performances of active pairs, inactive pairs serve as cooperative jammers and broadcast artificial noises to interfere with the eavesdropper. Besides, active pairs improve their own security by using joint transceivers. The encoding of active pairs and inactive pairs are designed by maximizing the difference of mean-squared errors between active pairs and the eavesdropper. In detail, the transmit precoder matrices of active pairs and inactive pairs are solved according to game theory and linear programming respectively. Experimental results show that the proposed algorithm has fast convergence speed, and the security performances in different scenarios are effectively improved.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• 2016.10a
• /
• pp.347-350
• /
• 2016

Analysis of vulnerability of the software for risk. The weakness of the software material, the importance of strengthening security in accordance with financial damage occurred is emerging. There is a potential risk factor not only from the case, the manufacturing to use the software company that appropriate to use a software business and personal risk of loss to size.In this paper due to diagnose and vulnerabilities in software, diagnosis, the curriculum and to cultivate a diagnostic guide, and security vulnerabilities in software.Proposal system for increased.

• Journal of the Korea Institute of Information Security & Cryptology
• /
• v.12 no.4
• /
• pp.99-114
• /
• 2002

Improved algorithms for elliptic scalar multiplication secure against side-channel attacks, such as timing and power analysis, are presented and analyzed. We first point out some potential security flaws often overlooked in most previous algorithms and then present a simple $\pm$1-signed encoding scheme that can be used to enhance the security and performance of existing algorithms. More specifically, we propose concrete signed binary and window algorithms based on the proposed $\pm$ 1-signed encoding and analyze their security and performance. The proposed algorithms are shown to be more robust and efficient than previous algorithms.

• International Journal of Computer Science & Network Security
• /
• v.22 no.6
• /
• pp.83-90
• /
• 2022

Traditional Cloud Computing would be unable to safely host IoT data due to its high latency as the number of IoT sensors and physical devices accommodated on the Internet grows by the day. Because of the difficulty of processing all IoT large data on Cloud facilities, there hasn't been enough research done on automating the security of all components in the IoT-Cloud ecosystem that deal with big data and real-time jobs. It's difficult, for example, to build an automatic, secure data transfer from the IoT layer to the cloud layer, which incorporates a large number of scattered devices. Addressing this issue this article presents an intelligent algorithm that deals with enhancing security aspects in IoT cloud ecosystem using butterfly optimization algorithm.

• Convergence Security Journal
• /
• v.13 no.5
• /
• pp.197-205
• /
• 2013

Security Service is the study for social safety and maintenance of order. Compared with the industrial circle, it has only been 18 years, though, many-sided scholars have been interested in this field and tried. The present Security Service, however, has several problems, so it is difficult to gain recognition as the value of learning. To achieve this, several kinds of prior tasks should get solved. First, Preparation for agreement between Industry and University about the academic concept and establishment of range. Second, Set up the School Register System for the academic establishment of identity. Third, Preparation of the plan for the organization of education system. Fourth, Study Direction different from the industrial world. (Unconcern) Therefore, the alternatives centered on some prior tasks will be suggested to enhance the identity and value of Security Service as the study.

• Journal of Internet Computing and Services
• /
• v.17 no.4
• /
• pp.79-86
• /
• 2016

Under the influence of software security-enhanced development guidelines announced in 2012, secure coding practices become widely applicable in developing information systems aiming to enhance security capabilities. Although continuous enhancement activities for code security is important, management issues for code security have been less addressed in the guidelines. This paper analyses limitation of secure coding practices from the viewpoint of quality management. In particular this paper suggests structures and the use of software metrics from coding to maintenance phases so that it can be of help in the future by extending the use of security metrics.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
• /
• v.58
• /
• pp.287-311
• /
• 2013

In this study, the scope of previous logistics security were focused only on port and ship. Because of it now extends to the overall (export and import) supply chain areas and in regards with supply security programs in the international level, it reviewed supply chain security programs categorized them into 'ships and port security system', 'container screening system', 'logistics chain authorization system' which are expanded to be adopted in the international level. The major features of those programs are summarized as in building risk management system, providing information ahead, selectivity test and benefits to AEO authorized companies in the customs administration level. The government and companies which are to ensure supply chain security and trade facilitation in order to cope actively with international customs administrative atmosphere need to do the followings : First, they need to build an intra-government integrated supply chain security and make efforts to conclude AEO MRA in order to increase trade competitiveness among major trading countries. Second, they need to build supply chain risk management system in order to enhance management performance through overseas market and company level strategy to obtain and maintain AEO authorization in the company level.

• Journal of Advanced Navigation Technology
• /
• v.13 no.1
• /
• pp.120-125
• /
• 2009

To enhance international competitiveness through the protection of cutting-edge industrial technology, it is essential to establish the policy for strengthening ability to develop industrial security technology and raising international competitiveness. In this study we investigated and analysed not only the ecumenic trend but also the present condition, then we executed the deduction of the industrial security technology development program in a aspect of government and analysed the current status of the technical security technology for developing security technology and increasing leaks of the advanced industrial technology.

• Journal of the Korean Society of Marine Environment & Safety
• /
• v.9 no.1
• /
• pp.33-40
• /
• 2003

This paper is intended as an investigation of introduction of Maritime Security System. In the last few years, several articles have been devoted to the study of ISPS Code(International Code for the Security of Ships and of Port Facilities). The Diplomatic Conference on Maritime Security held in London in December 2002 adopted new provisions in the International Convention for the Safety of Life at Sea, 1974 and this ISPS Code to enhance maritime security. These new requirements form the international framework through which ships and port facilities can co-operate to detect and deter acts which threaten security in the maritime transport sector. Accordingly, the purpose of this paper is to suggest an introduction, if Maritime Security System and understanding of ISPS Code.

• Korean Journal of Child Studies
• /
• v.37 no.6
• /
• pp.19-33
• /
• 2016

Objective: This study aimed to examine the prospective links among perspective taking, attachment security, and executive function and the mediating role of executive function on the relationship between attachment security and perspective taking. Methods: The participants included 147 preschoolers living in Gyeonggi. The data-analysis methods included descriptive statistics, independent t-tests, one-way ANOVAs, Pearson's correlation analysis, hierarchical multiple regression analysis, and the Sobel test. Results: First, preschoolers' perspective taking was significantly related to attachment security, and executive function. Furthermore, there was a significant association between attachment security and executive function. As expected, the correlations were positive in all cases. Second, the effects of attachment security on intention and emotion perspective takings were fully mediated by executive function when holding children's age and vocabulary constant. However, executive function did not predict thought perspective taking, whereas attachment security did. Conclusion: Given that parent-child attachment security might play an important role in child cognitive and socio-cognitive development, parents' endeavors to enhance the quality of the attachment relationship could be a fruitful path for preschoolers' developing executive capacities and perspective taking.