Proceedings of the International scientific and practical conference ― Cambridge Science and Education Conference‖ (February 23-25, 2026) / Publisher website: www.naukainfo.com. – Cambridge, United Kingdom, 2026. - 289 p.

54 MILITARY SCIENCES, NATIONAL SECURITYAND STATE BORDER SECURITY UDC 351.86:005.57 Наnna Mykolaivna Bafian postgraduate National Academy of the Security Service of Ukraine Kyiv, Ukraine ORCID ID 0009-0002-0605-5187 THE PHENOMENON OF INTERNAL COMMUNICATIONS IN THE NATIONAL SECURITY SYSTEM Abstract. The theses reveal the phenomenon of internal communications as a system-forming factor in ensuring the efficiency and sustainability of national security sector entities. It is substantiated that internal communications perform not only informational, but also cognitive-coordination, value-integrative, and security functions. Key risks of disorganization of communication processes in the context of hybrid threats are identified and directions for their optimization are proposed. Keywords: internal communications, national security, institutional resilience, strategic communications, security and defense sector, organizational discourse, information security. National security is the foundation of a state's functioning and an integral part of its development. It is critically important, as it allows a country to maintain its integrity in times of destabilization. In the face of geopolitical challenges facing Ukraine, global instability, and the growth of direct and hybrid threats, the problem of