What are the characteristics of border and sea defense security threats

Traditional and non-traditional security threats, threats to survival and development, and threats to internal and external security are intertwined and have a comprehensive character. With the accelerated pace of economic globalization and the deepening of the country's reform and opening up, China's relations with the world's major powers and neighboring countries have undergone great changes, and the threats to border and maritime security have become more diversified and complex, presenting the comprehensive features of intertwined influence of traditional and non-traditional security threats, existential and developmental threats, and internal and external security threats, whose connotation and extension are greater than at any other time in history. Its connotation and extension are more complex than at any time in history. Border and sea defense is a general term for the defense, management and construction activities carried out by the state on the border, coastal areas and sea borders to protect the integrity and security of territorial sovereignty, defend against invasion by foreign enemies, maintain border order, promote good neighborliness and friendship, and safeguard the political stability and economic development of the border areas.