This is the 13557th most frequent Russian word.
нацбезопасности
"National security."
In this sentence, 'нацбезопасности' as part of 'Вопросы нацбезопасности' refers to matters pertaining to national security as a core consideration or area of focus.
Вопросы нацбезопасности требуют неотложного рассмотрения.
Questions of national security require urgent consideration.
Here, 'нацбезопасности' specifies the subject of the report, indicating that the report deals with issues related to national security.
Доклад о нацбезопасности был представлен в парламенте.
The report on national security was presented to the parliament.
In this case, 'нацбезопасности' is in the context of protection/ensuring security, emphasizing the responsibility of the state concerning national security measures.