Definitions for "Phreaking"
1. The art and science of cracking the phone network (so as, for example, to make free long-distance calls). 2. By extension, security-cracking in any other context (especially, but not exclusively, on communications networks).
Breaking into phone or other communication systems. Phreaking sites on the Internet are popular among crackers and other criminals.
The act of breaking into phone networks to make free phone calls.
Keywords:  physical, security