Finding Fraudsters (IMAGE) Iowa State University Caption Yong Guan, Iowa State University's Litton Assistant Professor of Electrical and Computer Engineering, is developing technologies to track down cyber criminals and make Web transactions more secure. Credit Photo by Bob Elbert/Iowa State University 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.