The monograph examines scientifically based principles and optimal ways of ensuring national security in modern Ukraine, taking into account successful foreign practices. Scientific research includes the main characteristics of martial law, methodological toolkit for ensuring national security, NATO's and EU's response to modern changes in the global security environment as well as current state of martial law in Ukraine.

The monograph makes a final emphasis on the fact that the multi-level system of providing national security stability is especially important for countries with a...