noun, noun or participle which takes 'suru'
security reinforcement; beefed-up security
Refers to the act of strengthening security measures, often in response to a threat or event. Commonly used in news and official contexts.
テロの脅威を受けて、空港の警備強化が行われた。
In response to the terrorist threat, security was reinforced at the airport.
大
The police are working to strengthen security in preparation for the large-scale event.