This is the 10470th most frequent Korean word.
국가안보의
"National security's" or "of national security."
In this sentence, '국가안보의' (of national security) functions as a modifier indicating that the following noun, '중요성' (importance), is related to national security.
국가안보의 중요성은 모두가 인식해야 합니다.
The importance of national security should be recognized by everyone.
Here, '국가안보의' again acts as a possessive form 'of national security,' linking it to '목표' (goal) as a descriptor.
국가안보의 목표는 국민의 안전을 보장하는 것입니다.
The goal of national security is to ensure the safety of the citizens.
In this instance, '국가안보의' modifies '기준' (standards), clarifying the context of evaluation criteria.