Additionally there are security issues in using 2G/GSM, for example the user does not authenticate the network. http://www.zdnet.com/article/hacker-demos-gsm-c

Additionally there are security issues in using 2G/GSM, for example the user does not authenticate the network. http://www.zdnet.com/article/hacker-demos-gsm-call-hijack-calls-for-2g-end/ http://www.zdnet.com/article/hacker-demos-gsm-call-hijack-ca...