The currently growing and complex maritime security threat is marked by the Coronavirus outbreak, which is thought to spread quickly. This virus threat can mean Hybrid Warfare but can also mean proxy where this type of threat can be exploited or used by parties who intend to invest their interests in Indonesia. This threat must be a concern of all countries, and cooperation at sea between countries is needed to overcome it. The Indonesian Navy sees the importance of increasing capabilities in the field of utilizing C4ISR technology (Command, Control, Computer, Communication, Intelligence, Surveillance, And Recognition) and how to integrate it into a single unit that can operate optimally within the framework of maritime defense and security of the unitary state of the Republic of Indonesia. Furthermore, cooperation with the Navy and all naval stakeholders is also needed to build collaboration in realizing maritime domain awareness (MDA) in the national region. The importance of Indonesia as a barometer of regional maritime security, namely; as a measure of the independence of Indonesia's ability to face naval security threats, measuring patterns, methods, and technology of Indonesia's marine security apparatus in dealing with threats, as well as predicting trends in maritime security threats that occur. As the main component of national defense, the Navy is required to carry out capacity building in marine protection and security, So that the defense i