James Joshi, University of Pittsburgh (IMAGE) University of Pittsburgh Caption "Oftentimes, mutual-friends features have not been created in tandem with privacy setting designs, and inadequate thought with regards to security and privacy issues has been given," said James Joshi, principal investigator of the study and associate professor of information assurance and security in Pitt's School of Information Sciences. "With such a huge user base in such systems, a minor privacy breach can have a significant impact." Credit University of Pittsburgh Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.