네트워크 보안 상황인지 기술이란 현재 네트워크에서 보안과 관련하여 무슨 일이 발생하고 있는 지를 관리자에게 인지시켜 주는 기술이다. 이는 침입탐지시스템이나 방화벽에서 수행하는 잠재적인 공격자의 패킷을 필터링하거나 보고하는 것과는 달리 현재 네트워크에서 발생하고 있는 상황(침입 또는 공격 등)을 알려주는 것에 초점을 맞춘다. 네트워크 보안 상황인지 기술에는 데이터 선정 및 수집, 특성 인자 추출, 연관성 분석, 데이터마이닝, 패턴분석, 이벤트시각화 등과 같이 매우 다양한 세부 기술들이 있지만, 본 고에서는 이벤트 종류에 따른 시각화 기술들의 현황과 ETRI에서 개발한 Visual Scope에 대해 살펴보고자 한다.
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