gsm

Hackers could soon be listening to your cellphone call. That's the word from the Chaos Communication Conference in Berlin, an annual get-together for hackers. Cryptographers at the conference say they've been able to crack a code that, on a normal ... day, prevents the interception of mobile phone calls by forcing those phones to consistently change frequencies across a list of about eighty channels. Since those not working for a cellphone company would have an almost impossible time knowing the sequence of this frequency change-up, hackers usually have no way of intercepting more than a few ... (view more)