Sometimes security doesn’t need to be overly complex to be effective. Instructables user [1234itouch] recently built a simple laser tripwire alarm that can be mounted virtually anywhere, complete with ...

Instructables user [EngineeringShock] has been hard at work building a laser trip wire security system, complete with a combination lock. The security system works just like you see in the movies, ...

Real Time Home Security System using GSM Technology-An Anti-theft System! This project deals with the design & development of a theft control system for home, which is being used to prevent/control ...

A British computer hacker equipped with a “Dummies” guide recently tapped into the Pentagon. As hackers get smarter, computers get more powerful and national security is put at risk. The same goes for ...

What do you do when you have a few transistors, some capacitors, a lot of mirrors, a bunch of HandiTak and one laser? If you are McGyver, probably a intercontinental ballistic missile interceptor. If ...

Miami International Airport (MIA) is getting a new security system, featuring infrared cameras and laser walls, that promises to identify and respond to airport perimeter breaches in real time. The ...