• Journal of Platform Technology
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• v.8 no.4
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• pp.38-46
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• 2020

This study describes how to build a security control system using an open source big data solution so that private companies can build an overall security control infrastructure. In particular, the infrastructure was built using the Elastic Stack, one of the free open source big data analysis solutions, as a way to shorten the cost and development time when building a security control system. A comparative experiment was conducted. In addition, as a result of comparing and analyzing the functions, convenience, service and technical support of the two solution, it was found that the Elastic Stack has advantages in the security control of Big Data in terms of community and open solution. Using the Elastic Stack, security logs were collected, analyzed, and visualized step by step to create a dashboard, input large logs, and measure the search speed. Through this, we discovered the possibility of the Elastic Stack as a big data analysis solution that could replace Splunk.

• Journal of Digital Convergence
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• v.16 no.3
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• pp.201-210
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• 2018

WorldJob+, being operated by The Human Resources Development Service of Korea, provides a recruitment support services to overseas companies wanting to hire talented Korean applicants and interns, and support the entire course from overseas advancement information check to enrollment, interview, and learning for young job-seekers. More than 300,000 young people have registered in WorldJob+, an overseas united information network, for job placement. To innovate WorldJob+'s services for young job-seekers, Splunk, a powerful platform for analyzing machine data, was introduced to collate and view system log files collected from its website. Leveraging Splunk's built-in data visualization and analytical features, WorldJob+ has built custom tools to gain insight into the operation of the recruitment supporting service system and to increase its integrity. Use cases include descriptive and predictive analytics for matching up services to allow employers and job seekers to be matched based on their respective needs and profiles, and connect jobseekers with the best recruiters and employers on the market, helping job seekers secure the best jobs fast. This paper will cover the numerous ways WorldJob+ has leveraged Splunk to improve its recruitment supporting services.

• Journal of Digital Convergence
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• v.16 no.7
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• pp.107-116
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• 2018

One of the key mission is to develop and prompte the use National Competency Standards, which is defined to be the systemization of competencies(knowledge, skills and attitudes) required to perform duties at the workplace by the nation for each industrial sector and level. This provides the basis for the design of training and detailed specifications for workplace assessment. To promote the data-driven service improvement, the commercial product Splunk was introduced, and has grown to become an extremely useful platform because it enables the users to search, collect, and organize data in a far more comprehensive, far less labor-intensive way than traditional databases. Leveraging Splunk's built-in data visualization and analytical features, HRD Korea have built custom tools to gain new insight and operational intelligence that organizations have never had before. This paper analyzes the NCS homepage. Concretely, applying Splunk in creating visualizations, dashboards and performing various functional and statistical analysis and structure without Web development skills. We presented practical use and implications through case studies.

• Proceedings of the Korea Information Processing Society Conference
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• 2020.11a
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• pp.420-423
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• 2020

본 연구에서는 민간기업들이 전체적인 보안관제 인프라를 구축 할 수 있도록 오픈소스 빅데이터 솔루션을 이용하여 보안관제 체계를 구축하는 방법을 기술한다. 특히, 보안관제 시스템을 구축할 때 비용·개발시간을 단축 할 수 있는 하나의 방법으로 무료 오픈소스 빅데이터 분석 솔루션 중 하나인 Elastic Stack을 활용하여 인프라를 구축했으며, 산업에 많이 도입되는 제품인 Splunk와 비교실험을 진행했다. Elastic Stack을 활용해 보안로그를 단계별로 수집-분석-시각화 하여 대시보드를 만들고 대용량 로그를 입력 후 검색속도를 측정하였다. 이를 통해 Elastic Stack이 Splunk를 대체 할 수 있는 빅데이터 분석 솔루션으로서의 가능성을 발견했다.

• Journal of the Korea Convergence Society
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• v.9 no.2
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• pp.241-250
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• 2018

Online recruitment services have emerged as one of the most popular Internet services, providing job seekers with a comprehensive list of jobs and a search engine. But many recruitment services suffer from shortcomings due to their reliance on traditional client-pull information access model, in manay cases resulting in unfocused search results. Worldjob+, being operated by The Human Resources Development Service of Korea, addresses these problems and uses Splunk, a platform for analyzing machine data, to provide a more proactive and personalised services. It focuses on enhancing the existing system in two different ways: (a) using personalised automated matching techniques to proactively recommend most preferrable profile or specification information for each job opening announcement or recruiting company, (b) and to recommend most preferrable or desirable job opening announcement for each job-seeker. This approach is a feature-free recommendation technique that recommends information items to a given user based on what similar users have previously liked. A brief discussion about the potential benefit is also provided as a conclusion.

• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.11 no.1
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• pp.76-81
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• 2018

The Internet of Things (IoT), which is emerging as a future economic growth engine, has been actively introduced in areas close to our daily lives. However, there are still IoT security threats that need to be resolved. In particular, with the spread of smart homes and smart cities, an explosive amount of closed-circuit televisions (CCTVs) have been installed. The Internet protocol (IP) information and even port numbers assigned to CCTVs are open to the public via search engines of web portals or on social media platforms, such as Facebook and Twitter; even with simple tools these pieces of information can be easily hacked. For this reason, a big-data analytics system is needed, capable of supporting quick responses against data, that can potentially contain risk factors to security or illegal websites that may cause social problems, by assisting in analyzing data collected by search engines and social media platforms, frequently utilized by Internet users, as well as data on illegal websites.

• Proceedings of the Korea Contents Association Conference
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• 2019.05a
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• pp.331-332
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• 2019

로그 분석 솔루션의 필요성이 대두되어 공공기관 뿐만 아니라 사기업들도 앞다퉈 로그 분석 솔루션을 도입하여 보안관제센터를 구축하는 추세이다. 하지만 그 비용자체가 만만치 않아 아직까지 예산이 부족한 기관 및 기업은 도입하지 못하고 있다. 본 연구에서는 오픈소스를 활용하여 보안관제센터를 구축하는 방안을 제시하였다. ELK Stack을 이용하여 로그 분석 시스템을 구축하였다. ELK Stack의 검색 속도 및 로그 데이터의 시각화 성능은 시장 점유율 1위인 Splunk와 비교 했을 때 비슷하였다. 또한, 오픈소스를 이용하기 때문에 기업간 기술 공유를 통해 보안관제의 탐지기술이 한층더 업그레이드 될 수 있다.