• Journal of Information Technology Applications and Management
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• 제27권6호
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• pp.89-99
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• 2020

Cloud computing is rapidly increasing for achieving comfortable computing. Cloud computing has essentially security vulnerability of software and hardware. For achieving secure cloud computing, the vulnerabilities of cloud computing could be analyzed in a various and systematic approach from perspective of the service designer, service operator, the designer of cloud security and certifiers of cloud systems. The paper investigates the vulnerabilities and security controls from the perspective of administration, and systems. For achieving the secure operation of cloud computing, this paper analyzes technological security vulnerability, operational weakness and the security issues in an enterprise. Based on analysis, the paper suggests secure establishments for cloud computing.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제7권4호
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• pp.860-877
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• 2013

Cloud computing has become one of the most important technologies for reducing cost and increasing productivity by efficiently using IT resources in various companies. The cloud computing system has mainly been built for private enterprise, but public institutions, such as governments and national institutes, also plans to introduce the system in Korea. Various researches have pointed to security problems as a critical factor to impede the vitalization of cloud computing services, but they only focus on the security threats and their correspondents for addressing the problems. There are no studies that analyze major security issues with regard to introducing the cloud computing system. Accordingly, it is necessary to research the security factors in the cloud computing given to public institutions when adopting cloud computing. This research focuses on the priority of security solutions for the stepwise adoption of cloud computing services in enterprise environments. The cloud computing security area is classified into managerial, physical and technical area in the research, and then derives the detailed factors in each security area. The research derives the influence of security priorities in each area on the importance of security issues according to the identification of workers in private enterprise and public institutions. Ordered probit models are used to analyze the influences and marginal effects of awareness for security importance in each area on the scale of security priority. The results show workers in public institutions regard the technical security as the highest importance, while physical and managerial security are considered as the critical security factors in private enterprise. In addition, the results show workers in public institutions and private enterprise have remarkable differences of awareness for cloud computing security. This research compared the difference in recognition for the security priority in three areas between workers in private enterprise, which use cloud computing services, and workers in public institutions that have never used the services. It contributes to the establishment of strategies, with respect to security, by providing guidelines to enterprise or institutions that want to introduce cloud computing systems.

• 디지털산업정보학회논문지
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• 제12권3호
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• pp.133-155
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• 2016

Recently, in the adoption of cloud computing are emerging as locations are key requirements of security and privacy, at home and abroad, several organizations recognize the importance of privacy in cloud computing environments and research-based transcription and systematic approach in progress have. The purpose of this study was to recognize the importance of privacy in the cloud computing environment based on personal information security methodology to the security of cloud computing, cloud computing, users must be verified, empirical research on the improvement plan. Therefore, for existing users of enhanced security in cloud computing security consisted framework of existing cloud computing environments. Personal information protection management system: This is important to strengthen security for existing users of cloud computing security through a variety of personal information security methodology and lead to positive word-of-mouth to create and foster the cloud industry ubiquitous expression, working environments.

• 디지털융복합연구
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• 제13권8호
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• pp.43-49
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• 2015

대표적인 융복합 ICT 서비스라고 할 수 있는 클라우드 컴퓨팅 서비스에 대한 법안이 2015년 3월에 통과되면서 많은 업체나 기관에서 다시금 클라우드 서비스 도입을 고려하고 있으나 보안에 대한 염려 때문에 서비스 도입을 주저하고 있다. 이러한 문제를 해결하기 위해서는 클라우드 서비스 보안에 대한 객관적이고 공정한 평가와 인증을 수행할 수 있는 클라우드 보안 인증체계의 도입이 요구된다. 현재 클라우드 보안 인증체계에 관한 연구가 활발히 진행되고 있지만 인증스킴에 대한 연구는 미흡하다. 따라서 본 연구는 국외 클라우드 보안 인증체계와 클라우드 서비스 제공자에 대한 평가 제도를 분석하여 국내 클라우드 보안 인증 도입시 고려되어야 할 요소들을 분석하였다. 이를 기반으로 국내 실정에 맞는 3가지 인증스킴을 제시하였고, 포커스 그룹 인터뷰를 통하여 인증스킴별 장단점을 도출하여 상황에 적절한 인증스킴을 제시하였다.

• International Journal of Computer Science & Network Security
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• 제21권1호
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• pp.184-191
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• 2021

The amount of information and data in the digital era is increasing tremendously. Continuous online connectivity is generating a massive amount of data that needs to store in computers and be made available as and when required. Cloud computing technology plays a pivotal role in this league. Cloud computing is a term that refers to computer systems, resources and online services that aim to protect and manage data in an effective, more efficient and easy way. Cloud computing is an important standard for maintaining the integrity and security of sensitive data and information for organizations and individuals. Cloud security is one of the most important challenges that the security of the entire cloud system depends on. Thus, the present study reviews the security challenges that exist in cloud computing, including attacks that negatively affect cloud resources. The study also addresses the most serious threats that affect cloud security. We also reviewed several studies, specifically those from 2017-20, that cited effective mechanisms to protect authentication, availability and connection security in the cloud. The present analysis aims to provide solutions to the problems and causes of cloud computing security system violations, which can be used now and developed in the future.

• 한국컴퓨터정보학회논문지
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• 제22권11호
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• pp.9-16
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• 2017

In this paper, we propose to present a model of cloud security that has emerged as the biggest topic of cloud computing, replacing the traditional IT environment. While cloud computing is an extension of existing IT technology, security issues and threats can be applied to traditional security technologies. However, the biggest difference between a typical computing environment and a cloud computing environment is a virtualized environment with a hypervisor. Currently, there are many weaknesses in the virtualized environment, and there are few related security products. In order for a cloud computing environment to function as a reliable IT environment, we expect more research on hypervisor-based security technologies, and we expect to secure safer cloud services through a secure model over the next generation of new-based networks.

• 융합보안논문지
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• 제14권4호
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• pp.101-108
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• 2014

최근 클라우드 컴퓨팅 기술은 전 세계적으로 중요한 이슈로 부각되고 있으며, 이산화탄소 배출을 경감하는 것으로도 많은 주목을 받고 있다. 그러나 클라우드 컴퓨팅의 탄소배출은 긍정적인 측면과는 달리, 여러 취약점들로 인해, 경감정도에 차이를 갖고 있다. 따라서 본 논문은 클라우드 컴퓨팅의 이산화탄소 배출과 관련한 보안 시스템의 배출량 측정 실험과 클라우드 이산화탄소 배출 관련 사례연구를 통해 배출 요인을 분석함으로써, 향후, 클라우드 컴퓨팅의 보안 설계와 성능 향상을 위한 자료로 활용될 것으로 기대한다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제13권6호
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• pp.3219-3237
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• 2019

The Cloud Computing is growing rapidly in the current IT industry. Cloud computing has become a buzzword in relation to Grid & Utility computing. It provides on demand services to customers and customers will pay for what they get. Various "Cloud Service Provider" such as Microsoft Azure, Google Web Services etc. enables the users to access the cloud in cost effective manner. However, security, privacy and integrity of data is a major concern. In this paper various security challenges have been identified and the survey briefs the comprehensive overview of various security issues in cloud computing. The classification of security issues in cloud computing have been studied. In this paper we have discussed security challenges in cloud computing and also list recommended methods available for addressing them in the literature.

• 정보보호학회논문지
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• 제26권2호
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• pp.319-325
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• 2016

최근 발생한 클라우드 컴퓨팅 관련 보안사고는 한 기업의 보안사고 범위를 넘어 클라우드 컴퓨팅 환경을 사용하는 전체 고객에게 보안사고 범위가 확대되고 있다. 이를 위해 클라우드 데이터센터의 전반적인 통합 보안을 위한 관제기술이 요구된다. 본 연구는 기존 관제기술을 이해하고 클라우드 데이터센터 관제를 위하여 추가 및 통합되는 보안요소를 연구하고자 한다. IaaS 클라우드 환경의 이해를 돕고자 CloudStack으로 IaaS 클라우드 환경을 구축하였다. CloudStack의 구조와 NIST에서 제시한 IaaS 클라우드 모델을 접목하여 본 연구에서 제안한 SW-IaaS 클라우드 구조를 제시하였다. SW-IaaS 클라우드의 구성 요소인 Cloud Manager, Cluster Manager, Computer Manager의 각 계층에서 고려해야할 보안 프레임워크를 도출하고자 한다.

• 한국컴퓨터정보학회논문지
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• 제23권12호
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• pp.81-87
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• 2018

Cloud computing is a computing environment in which users borrow as many IT resources as they need to, and use them over the network at any point in time. This is the concept of leasing and using as many IT resources as needed to lower IT resource usage costs and increase efficiency. Recently, cloud computing is emerging to provide stable service and volume of data along with major technological developments such as the Internet of Things, artificial intelligence and big data. However, for a more secure cloud environment, the importance of perimeter security such as shared resources and resulting secure data storage and access control is growing. This paper analyzes security threats in cloud computing environments and proposes a security architecture for effective response.