For the purposes of this Manual, the physical, logical, and social layers of cyberspace are encompassed in the principle of sovereignty. The physical layer comprises the physical network components (i.e., hardware and other infrastructure, such as cables, routers, servers, and computers). The logical layer consists of the connections that exist between network devices. It includes applications, data, and protocols that allow the exchange of data across the physical layer. The social layer encompasses individuals and groups engaged in cyber activities.
