Security Brist in Danish mobile companies – NRK

According to the Danish newspaper one only needs to know the number of the phone in order to quickly find out where it is.

Information has gained Karsten Nohl, who is research director at IT security firm SRLabs in Germany to test the safety of several Danish mobile operators.

Monitoring

At the two operators TDC and Teleselskabet 3 he found a serious security flaw that makes it possible for anyone to see how mobile phones are itself. It opens for monitoring and abuse.

TDC recognizes that they have a problem and informs Information that they now working to tight security hole.

Security hole is just one of several problems signal system that cellular networks worldwide use to communicate with each other, said Nohl.

Can eavesdrop

Another security flaw makes it according to him also possible to eavesdrop mobile calls, but this he has not tested in Denmark.

While it was previously only mobile companies themselves who had access to the signaling system SS7, today it is also possible for others to gain access to the system.

Offers itself to track

Washington Post has previously revealed how private security company as a result of system failure has offered to track individuals on behalf of the authorities in several countries.

– Malicious persons attacker routinely poorly protected telecommunications operators via the Internet, concluded Philippe Langlois in the French IT company P1 Security recently.

(NTB)