최근 이루어지는 사이버 공격들의 형태가 점점 더 다양해지고 공격의 전파 속도가 빨라짐에 따라 기존의 침임 탐지 기법으로는 이러한 공격을 신속하게 탐지하고 차단하기에는 한계가 있다. 이와 같은 문제점을 해결하기 위해서 최근에 네트워크 보안 이벤트 시각화 기술에 대한 연구가 활발히 진행되고 있다. 네트워크 보안 이벤트 시각화 기술은 네트워크 상에서 발생되는 방대한 양의 이벤트를 실시간으로 시각화함으로써 네트워크 공격의 탐지, 알려지지 않은 공격 패턴 분류, 네트워크 이상 상태의 발견 등 네트워크 보안 상황을 관리자가 직관적으로 인지할 수 있도록 하는 기술이다. 본 고에서는 보안 이벤트 시각화 기술을 유선 네트워크와 무선 네트워크로 구분하여, 각각의 네트워크 환경에서 현재 개발되고 있는 기술의 동향과 앞으로의 발전 방향에 대해서 다루도록 한다.
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