This document discusses cyber security challenges posed by latest technologies. It notes that as new technologies like cloud computing and mobile networks have been adopted, cyber crimes have also increased exponentially. The document outlines some key trends changing cyber security like increased use of web servers by cyber criminals, security issues with cloud services, new types of advanced persistent threats, security risks of mobile networks, challenges of the new IPv6 internet protocol, and importance of encryption. Overall it examines the current state of cyber security and risks posed by emerging technologies.