The new era of China's national security of the historic change is reflected in what aspects

There are changes in security concepts, adjustments in security strategies, and improvements in security mechanisms.1. Changes in security concepts: the concept of national security in the new era is expanding from traditional military and political security to a wider range of areas, including economic security, cultural security, social security, and network security.

2. Adjustment of security strategy: the national security strategy has shifted from passive defense in the past to active defense and positive response, with more emphasis on preventing and resolving security risks.

3. Improvement of security mechanisms: a more complete national security leadership system and working mechanism have been established, and the coordination and management of national security have been strengthened.