The value of the information stored on the piece of hardware is significantly greater than the value of the hardware itself. Computer manufacturers have designed the box with a lid that is easily removed. Creating a candy box of goodies to fence or replace defective parts in their home computer. Usually insiders are responsible. Alarms inform a break-in has or is occurring.
Alarms don t offer time deterrent s, allowing the smash and grab theft to occur successfully.
The liability of proprietary information falling into the wrong hands is as costly as you want to imagine. Unless you erase your hard drive after each use access to your server and other information is now up for grabs. Think hard and long. Why hasn t anything been stolen. Just lucky or your loss prevention program worked.