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phone hacking

For Whom the Fraud Tolls

PBX hacking phone froud
Telephone fraud has been going on for a long time. It became prevalent in the 1960s, when DTMF (Dual-Tone Multiple Frequency) dialing was being introduced to replace pulse dialing from then-current rotary phones. Crafty individuals educated themselves and fabricated handheld red, black, and blue boxes that could generate the necessary tones to alter the target phone system’s behavior. Soon they w...
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