The document lists potential research topics for PhD projects in network security, including SDN-based healthcare systems, Bayesian trust management for zero-day attacks, network coding for physical layer key generation, and analyzing temporal dependence networks to probabilistically infer attack ramifications. It highlights research concepts related to interdependent security games in networks, lightweight security for emergency communication networks, and evaluating secrecy outage performance for energy harvesting sensor networks. The document provides contact information for a research assistance organization that helps with literature reviews, proposals, thesis writing, and other aspects of PhD and MS research projects.