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Tonight we had the visit of Karsten Nohl from teh German company: Security Research Labs. He presented his work, some of his latest research on a few security issues with mobile communications.
Karsten informed us on the SS7 protocol which is an exchange protocol that all mobile communication providers are using to talk to each other and to allow things that we take for granted such as roaming services, exchanging SMS, and so on. He showed us that his team research concluded that this protocol which is the base of modern communication has been implemented with some very curious functionality.
More at: http://www.dimsumlabs.com/2016/09/08/phone-security-hackjam-2016-09-06hackjam-2/