A Houston multi-family real estate community has updated its physical security measures to prevent unwanted visitors and better protect the community.

Check out these case studies where law enforcement and other organizations used CCTV towers to surveil their facilities.

Harbor East, a mixed-use community in Maryland, has installed turnstiles in several buildings over the years to provide safety and security to residents, visitors and employees.

A large apartment complex in Las Vegas is trialing a human-sized autonomous robot, to patrol the 1,129-unit property.

 More than 80 public housing developments around New York City will be getting $41 million worth of high-tech cameras, intercoms and locks controlled by electronic key tags.