The rapid growth of the BYOD market, coupled with an explosion in 4G networks fed by small cell deployment, is creating an IT security threat that the global market needs to urgently address, warned an industry expert. Dr Martin Nuss, CTO of Vitesse Semiconductor, a leading provider of advanced IC solutions for Carrier, Enterprise and Internet of Things networks worldwide, was speaking at the 4G World conference held during Super Mobility Week in Las Vegas.