Critical Information InfrastructureCritical Information Infrastructure (CII) represents the foundation of a digitized society and is a key element of national securityNational security in MontenegroMontenegro, as a NATONorth Atlantic Treaty Organization (NATO) member. In the modern context, CII is exposed to increasing cyber threats, necessitating adequate regulatory and technical mechanisms for its protectionProtection. The European UnionEuropean Union has established a comprehensive framework for enhancing CII resilienceResilience through the Critical Entities ResilienceResilience (CER) Directive, the Network and Information Systems Directive (NIS 2), and the Artificial IntelligenceArtificial Intelligence (AI) Act (AI Act)Artificial Intelligence Act (AI Act). The aim of this paper is to analyze the alignment of Montenegro’s national regulatory framework with these European standardsEuropean standards, identify regulatory gaps, and present proposals for improving national legislation.