As fallout from security breaches brought on by the Heartbleed Bug mount, questions over how it happened, what people can do, and how to protect from future problems have continued to rise. The University of Tennessee, Knoxville, has an expert in computer and network security issues who can talk about the problem: Stella Sun, an assistant professor in the College of Engineering's Department of Electrical Engineering and Computer Science, specializes in security and privacy issues related to computers, systems and networks. She has taken part in a number of studies related to internet security, and has published works addressing preserving privacy, securing data and on protecting online identities, among other topics. She can address the Heartbleed bug in particular, as well as discuss any security or privacy concerns people might have in general. She can be reached at 865-974-0426 or firstname.lastname@example.org.