Cyberspace has expanded due to the rapid spread of the Internet. This expansion of cyberspace has resulted in a change in war patterns from conventional warfare to cyberwarfare. Especially in the defense field, cyberspace was established as the fifth battlefield, following land, sea, air, and space. Cyberwarfare in cyberspace is caused by numerous cyberattacks. However, the current defense system to effectively defend against cyber threats is not sufficient. A new cyberwarfare framework is

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... d to complement current defense system. In this paper, we will construct the required concepts according to the cyber operation execution process into an integrated framework, conduct experiments on evaluating cyber battle damage assessment among the frameworks, and propose a cyberwarfare operation framework. INDEX TERMS Cyberwarfare, battle damage assessment, cyber kill chain.