Cryptographers have moved closer to their goal of eavesdropping on cellphone conversations after cracking the secret code used to prevent the interception of radio signals as they travel between handsets and mobile operators' base stations.
The code is designed to prevent the interception of phone calls by forcing mobile phones and base stations to rapidly change radio frequencies over a spectrum of 80 channels. Without knowing the precise sequence, would-be eavesdroppers can assemble only tiny fragments of a conversation.
Read more
Showcase your ideas, writing, and personal site to readers.
Make a secure online donation to