December 19, 2014
If you think that the mobile networks on which you talk or send messages every day are not very secure, you are correct. German researchers have presented a report revealing abundant failures in the global SS7 telecommunications network, one of the most common. Experts say that the privacy of millions of customers around the world could be compromised.
It’s not really very strange. The SS7 network was designed in the 1980s, and has been used ever since to establish cellular connections around the world. The failures found in this network have to do with functions as basic as the simple fact of changing the cell tower while on the move to keep the call in process.
According to the researchers, the security in this and other basic processes is almost zero, and anyone familiar with these functions can intercept, listen to and record hundreds of encrypted messages from anywhere in the world. Vulnerabilities don’t just affect users. They also open the door to the possibility of committing fraud between operators and users without their realizing it.
via The mobile network strainer: neither calls nor SMS are safe.
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