The article analyses the place and role of international institutions in the process of transitional justice. It is determined that the concept of transitional justice is a system of mechanisms and tools implemented in a country that is in a state of transition from armed conflict to post-conflict period or from totalitarian to democratic regime.
The article deals with questions of the International Criminal Court in the context of
counteraction to aggression. Based on the methodology of system analysis of international and
national legislation, the realization of the competence of the Rome Statute of the International
Criminal Court concerning aggression and the impact of the legal practice of the institution on
security is explored. The addition of the term “aggression” is proposed by new factors
associated with the emergence of cyber-attacks and other new means.