Defense and security includes systems and components used for the surveillance, monitoring, alarming, or restriction of access to a place or resource.

What are you looking for in Defense and Security?

Access Control Systems (939 suppliers)

Access control systems are used to identify people before granting access to secure facilities.
Search by Specification  |  Learn more about Access Control Systems

Security Systems (478 suppliers)

Surveillance systems are used to monitor commercial properties and industrial facilities for the presence of trespassers and the behavior of authorized visitors.
Learn more about Security Systems