A Study on the Stock Price Fluctuation of Information Security Companies in Personal Information Leakage
개인정보 유출 사고 시 정보보호 기업의 주가 변동에 관한 연구

Min-Jeong Kim, Namgil Heo, Jinho Yoo
2016 Journal of the Korea Institute of Information Security and Cryptology  
Currently Internet and IT infrastructure of Korea has maintained the world's highest levels. But in another aspect, security incident, especially personal information breaches occur frequently. As personal information leakage happened, the companies will be negatively affected. And to prevent this, they have implemented to use a variety of security solutions from information security vendors. Therefore we set up hypotheses that the companies experienced personal information leakage as well as
more » ... eakage as well as information security companies providing security solutions will be affected by the leakages. So this paper verify hypotheses about the impact of the value of information security companies, through analysing stock price fluctuation of the companies. We found that the stock price of information security companies has increased as personal information leakage happened. And differences according to leakage volumes and types of business are not statistically significant. But there are significant differences according to business classification of information security companies.
doi:10.13089/jkiisc.2016.26.1.275 fatcat:deeuqpfmyneddndublaires32a