nohl

A security researcher says hundreds of millions of mobile phones could easily be hacked with nothing more than a specially crafted text message. The hacker could then intercept calls or use the compromised phone to make cash. Karsten Nohl says the ... problem is with SIM cards, which are used to tell a phone which account to use and the number on which to send and receive calls and messages. He says many SIM cards still use an outdated algorithm for encryption to stop other people accessing information about the account. (Source: srlabs.de ) Nohl says his testing found a major flaw with these SIM ... (view more)

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)