Which of the following known as the oldest phone hacking techniques used by hackers to make free calls? HomeCyber Security & Cyber Crime MCQsWhich of the following known as the oldest phone hacking techniques used by hackers to make free calls?Q. Which of the following known as the oldest phone hacking techniques used by hackers to make free calls?A. PhreakingB. PhishingC. CrackingD. SprainingAnswer: Phreaking
