Many voice encryption systems easily crackable
Using the commercially available FlexiSpy wiretapping utility and a 'homemade' Trojan, Notrax (the anonymous hacker's nickname) claims to have defeated 11 out of 15 voice encryption technologies in tests. Notrax claims he was able to use malware trickery to bypass product encryption and eavesdrop on captured conversations in real time.
By suppressing any rings, notifications or call logs, these approaches illustrated by Notrax could potentially escape detection. Delivery of the Trojans could be accomplished by tricking a prospective victim into opening a booby-trapped message to their mobile or by manual installation.
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