Different Mobile Network Operators (MNOs) are in different stages of their infrastructure and services evolution journey. Providing a solid security foundation for your 4G infrastructure and services is key to a healthy evolution, regardless of the path you will be taking. This session will present the existing security challenges and solutions for a 4G environment, including SecGW, GTP FW, Gi FW, CGNAT, ISFW, IDS/IPS, Anti blacklisting, Use case for denegation of web browsing to illegal content (brand reputation and legal compliance) and adaptation to network Virtualization.