Telecom security: getting better or worse?
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Telecommunications have undergone dramatic changes over the last 10 years. Mobile operators became a "dumb pipe" for the web and lost to over-the-top services, but rebounded to successfully conquer new markets. Now it's hard to find an industry that does not depend on mobile network operators. A payment terminal in a café, an alarm system in a country house, a gas meter, a truck driving down a highway—all these now have a SIM card inside. Connectivity has brought convenience and efficiency, but not security. Concerns abound: SIM cards carrying viruses, SDRs and IMSI catchers, tracking and eavesdropping via SS7, denial of service on LTE networks, and over-the-air GSM eavesdropping, to name a few. Telecom networks have been the focus of much recent security research. The speaker will tell about threats to the connected world and the weaknesses lurking in today's smart cities, transportation, and electrical grid. A stand with a small-scale model of a mobile network operator will be available, where attendees will have the opportunity to try to exploit SS7 vulnerabilities, defend against attacks, intercept GSM traffic, and use an SDR.
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