Beware of phone bill: GSM tech widely exposed to scam, hackers to take control of phones
GSM mobile technology threatened by new scam.Photo:it.toolbox.com
Hackers could use this GSM vulnerability in order to scam users by initiating phone calls and messages to high-cost services, the head of German Security Research Labs, Karsten Nohl said.
Similar attacks on a reduced number of smartphones have occurred in the past, but now the scam may be extended to all mobile phones using GSM technology.
“We can do this to thousands of phones within a limited time, said Nohl today, ahead of a hacking convention in Berlin.
Attacks on corporate landline telephony systems are common and in most cases include the use of phone lines for high-value services, set up by hackers in Eastern Europe, Africa and Asia.
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Phone owners usually can not see the issue until they get the bill and telecom operators in most cases need to cover at least part of the costs.
Although details on this type of attack won’t be given at the conference, Nohl estimated that scammers can retrieve the code needed to carry out the attacks just within a few weeks.
According to a classification to be presented at the conference by Nohl, Germany’s T-Mobile and France’s SFR mobile operarators offers their customers the best protection against online cyber criminals who want to intercept calls or track locations.
Researchers evaluated 32 operators in Austria, Belgium, Czech Republic, France, Germany, Hungary, Italy, Morocco, Slovakia, Switzerland and Thailand, based on how easily they could intercept calls, imitate someone else’s phone and track mobile terminal’s location.