• 정보보호학회논문지
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• 제24권3호
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• pp.445-451
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• 2014

블록 암호에 대한 안전성 평가시 연관키 공격은 중요한 분석툴로 간주된다. 이는 블록 암호에 대한 연관키 공격이 키를 컨트롤 할 수 있는 블록 암호기반 해쉬모드와 같은 응용환경에 강력하게 적용될 수 있기 때문이다. 본 논문에서는 FSE 2013에 제안된 경량 블록 암호 PRINCE에 대한 연관키 공격을 향상시킨다. 본 논문에서 제안하는 PRINCE에 대한 새로운 연관키 공격은 기존 가장 강력한 연관키 공격[4]의 데이터 복잡도를 $2^{33}$ 에서 2로 낮춘다.

• 시큐리티연구
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• 제15호
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• pp.51-72
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• 2008

이 연구는 경호관련학과 학생들의 경호영어 능력 실태와 그 발전방안에 관한 연구에 목적을 두고 있다. 연구의 방법으로는 영어 능력에 관한 설문조사와 경호지식에 관한 간단한 테스트를 통하여 실태를 파악하였다. 일반 영어 및 경호영어 능력에 있어서 학생들의 현 실태는 전반적으로 매우 낮고 미흡한 것으로 나타났으며, 이로 인하여 개인들과 학교들의 적극적인 노력이 필요함을 인식하였다. 국내외 주요 인사 및 VIP를 경호하는 경호요원들은 국제적인 역량에 있어서 영어 의사소통능력이 필수적이며, 이를 위하여 졸업 후 원활한 취업 및 진로 준비에 도움이 될 수 있도록 경호관련학과 학생들은 대학 과정 중에 반드시 영어 의사소통 능력을 향상시켜야 할 필요가 있다. 교양영어 프로그램의 다양화를 통하여 일반영어 능력을 향상시켜야 하며, 더불어 전문적인 경호영어에 관한 능력 구비를 위하여 체계적인 학습과 노력이 필요하며, 또한 이를 위하여 각 대학들이 경호영어 커리큘럼 편성을 장려하여야 한다. 본 연구를 통하여 한국 경호관련학과에 경호영어의 중요성과 인식에 있어서 전환과 발전이 있기를 바라며, 그럼으로써 더욱 국제적인 자격과 역량을 갖춘 경호요원들이 많이 배출되기를 기대한다.

• International Journal of Contents
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• 제11권3호
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• pp.14-23
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• 2015

This paper presents the findings of a study in which students at a four-year university were surveyed in an effort to analyze and verify the differences in perceived security awareness, security-related activities, and security damage experiences when using smartphones, based on demographic variables such as gender, academic year, and college major. Moreover, the perceived security awareness items and security-related activities were tested to verify whether they affect the students' security damage experience. Based on survey data obtained from 592 participants, the findings indicate that demographic differences exist for some of the survey question items. The majority of the male students replied "affirmative" to some of the questions related to perceived security awareness and "enthusiastic" to questions about security-related activities. Some academic year differences exist in the responses to perceived security awareness and security-related activities. On the whole, freshmen had the lowest level of security awareness. Security alert seems to be very high in sophomores, but it decreases as the students become older. While the difference in perceived security awareness based on college major was not significant, the difference in some security-related activities based on that variable was significant. No significant difference was found in some items such as storing private information in smartphones and frequency of implementation of security applications based on the college major variable. However, differences among the college majors were verified in clicking hyperlinks in unknown SMS messages and in the number of security applications in smartphones. No differences were found in security damage experiences based on gender, academic year, and college major. Security awareness items had no impact on the experience of security damage in smartphones. However, some security activities, such as storing resident registration numbers in a smartphone, clicking hyperlinks in unknown SMS messages, the number of security apps in a smartphone, and the frequency of implementation of security apps did have an impact on security damage.

• 융합보안논문지
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• 제16권4호
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• pp.35-41
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• 2016

최근 국내 정보보호에 대한 인식은 사이버전과 해킹 사고들로 인해 매우 높아졌으나, 아직까지 정보보호 전문가가 매우 부족한 상황이다. 이러한 상황에서 국내 대학들의 관련학과 개설이 늘어나고, 교육기관들은 다양한 커리큘럼들을 개발하고 있다. 그러나 국내 정보보호 교육과정은 대학 또는 학과에 따라 서로 다르고, 실무적인 교육보다는 이론 교육에 비중이 높은 경향이 나타나고 있다. 따라서 본 논문은 국내 정보보호 관련 대학들의 정보보호 관련 교육과정을 조사 및 개선방향을 알아봄으로써, 향후 국내 정보보호 교육에 대한 체계적인 교육과정 개발에 활용될 것으로 기대한다.

• International Journal of Computer Science & Network Security
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• 제22권10호
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• pp.303-309
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• 2022

Software Defined Networking (SDN) is a novel approach that have accelerated the development of numerous technologies such as policy-based access control, network virtualization, and others. It allows to boost network architectural flexibility and expedite the return on investment. However, this increases the system's complexity, necessitating the expenditure of dollars to assure the system's security. Network Function Virtualization (NFV) opens up new possibilities for network engineers, but it also raises security concerns. A number of Internet service providers and network equipment manufacturers are grappling with the difficulty of developing and characterizing NFVs and related technologies. Through Moodle's efforts to maintain security, this paper presents a detailed review of security-related challenges in software-defined networks and network virtualization services.

• 대한지역사회영양학회지
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• 제16권6호
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• pp.771-781
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• 2011

The objective of this study was to assess the reliability and validity of food security measures, which was developed based on the US household food security survey module (US HFSSM) with content validity in the Korean population. The reliability and validity were assessed by internal consistency, construct validity and criterion-related validity. The study included 446 households. Among those, 46.2% were households with children. The proportion of food insecure households was 33.3%. Among those, 35.4% and 64.6% households were food insecure with hunger and without hunger, respectively. The Cronbach's alpha coefficients were 0.84 and the infit value by the Rasch model analysis ranged from 0.68 to 1.43. The scale item response curves by food insecurity severity explained well the nature and characteristics of food security, indicating the highest proportion of "yes" for the items on diet quality, followed by those with diet quantity. The result of criterion-related validity showed that food insecurity status was significantly related in a dose-response manner with the household income level, food expenditure, subjective health state, subjects' educational level. Household food security status was also related to dietary diversity regarding protein foods, fruits and fruit juice, and milk and dairy product. These findings suggest that the food security instrument is reliable and valid and would be used to assess food security status in the Korean population.

• Journal of Nutrition and Health
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• 제42권4호
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• pp.374-385
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• 2009

This study aims to develop an index of food security in order to assess food security status in Korea and to evaluate reliability and validity of the index. The index of food security was developed based on the US Household Food Security Survey Module (US-HFSS). After the US-HFSS was translated and back-translated, it was evaluated and modified by a focus interview for experts. The developed Korean Household Food Security Survey Module (K-HFSS) was tested by cognitive interviews and a pretest for general community population to assess its application for Korean population. For the reliability and validity of K-HFSS, the survey was conducted with 300 adults aged 40 years or more living in a rural community and 212 infants and toddlers living in an urban community. The reliability was assessed by Cronbach' alpha and the validity was evaluated by content validity, construct validity, and criterion-related validity. The questionnaire items of K-HFSS were partly modified, accounting for Korean social and cultural backgrounds and adapted by general community population. The reliability was relatively high, showing Cronbach' alpha coefficients ranged from 0.80 (for adults) to 0.87 (for infants and toddlers). The content and construct validities were all acceptable. The result of criterion-related validity showed that food security status was significantly related to the household income level. In conclusion, the K-HFSS would be used as a reliable and valid instrument to assess food security status in parts of the Korean population.

• 한국전자거래학회지
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• 제21권2호
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• pp.121-133
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• 2016

모든 산업은 ICT 기술의 적용 및 산업기술의 급속한 발전에 따라 신기술 개발 및 확보를 위한 연구 투자가 확대되고 있으며, 이러한 신기술을 보호하려는 노력도 동시에 강화되고 있다. 하지만 이러한 기술보호에 대한 노력은 단순히 기업에서 이루어져야 하는 것이 아니라 국가 경쟁력 차원에서 여러 정부기관이 관심을 가지고 다양한 산업보안 활동을 수행해야 한다. 본 논문에서는 산업자산 보호 및 기술유출 방지를 위해 산업보안 활동을 수행하고 있는 산업보안 유관기관에 대해 조사해보고 각 기관의 산업보안 업무에 대해서 알아보고자 한다. 또한 본 논문에서는 산업보안 유관기관 조사 및 비교를 통해 현재 정부기관의 산업보안 운영에 대한 문제점을 논의해보고 산업보안 발전 및 효율적 업무를 위한 정부 내 산업보안 담당부서의 필요성에 대해 제고해보려고 한다.

• 안보군사학연구
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• 통권9호
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• pp.191-206
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• 2011

This study is presented a scheme that information security research institutions located within the central area can be participated actively m national defense information security industry. The many of information security company are located in the central region(Daejeon) and there are many research institutes. However, the participation rate of the Defense Information Security Industry is not high compared to other provinces. Although a variety of reasons, there are no the Defense Privacy Office that could have a role in protocol and the information about the industry. In addition, the Department of Defense related to national defense information security industry have not information about research institutions in the central region and are not well to identify the characteristics of institutional technology and research. So in this paper we presented some of the alternatives. 1) Building Pool involved in information security research according to the characteristics of each agency 2) Constitute the research community between Research institutions and the company 3) Build the technology cooperation between research institutions and the defense research institutes 4) Utilization of industry/university/research institutes related to Information Security Industry 5) Make strategic alliances among research institutes based on technical expertise.

• 생물정신의학
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• 제21권4호
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• pp.141-150
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• 2014

Objectives The purpose of this study is to evaluate the effects of attachment security, social support and health-related burden in the prediction of psychological distress and the mediation effects of social support and health-related burden in relationship between attachment security and psychological distress. Methods Finally, 161 patients were included for the analysis. Chi-square test and independent samples t-test were used for comparing differences between depressive/anxious group and non-depressive/non-anxious group. For evaluating the relationship among attachment security, social support, psychological distress and health-related burden, structural equation modeling analysis were performed. Results 40.7% and 32.0% of the patients have significant depressive symptoms and anxiety symptoms, respectively. In the analysis for testing the differences between groups who have psychological distress and who have not, there were no significant differences of sociodemographic factors and medical characteristics between groups, except for association between depressive symptoms and type of surgery (p = 0.01). Contrary to sociodemographic and medical characteristics, there were significant differences of health-related burden and two coping resources (attachment security and social support) between groups (all p < 0.01), except for the support from medical team in between anxious group and non-anxious group (p = 0.20). In the structural equation model analysis (Model fit : chi-square/df ratio = 0.8, root mean square error of approximation = 0.000, comparative fit index = 1.000, non-normed fit index =0.991), attachment security and social support emerged as an important predictor of psychopathology. Conclusions Attachment security and social support are important factors affecting the psychological distress. We suggest that individual attachment style and the social support state must be considered to approach the newly diagnosed breast cancer patients with psychological distress.