COMPUTER NETWORKING

Detailed explanation-1: -phreaking, also known as phone phreaking, fraudulent manipulation of telephone signaling in order to make free phone calls. Phreaking involved reverse engineering the specific tones used by phone companies to route long distance calls.

Detailed explanation-2: -Phreaking is a form of hacking that targets the telephone system. It is the practice of manipulating or hacking into the telephone system to make free or unauthorized calls.

Detailed explanation-3: -A phreaking attack is a type of fraud where hackers break into your VoIP system in order to make long-distance calls, change calling plans, add more account credits, and make any additional phone calls they want-all on your dime.

Detailed explanation-4: -Phreaking is a slang term for hacking into secure telecommunication networks. The term phreaking originally referred to exploring and exploiting the phone networks by mimicking dialing tones to trigger the automatic switches using whistles or custom blue boxes designed for that purpose.