Danfeng Yao, Virginia Tech (IMAGE) Virginia Tech Caption Danfeng Yao, an assistant professor of computer science at Virginia Tech is developing a program to differentiate legitimate network activities and usage from malicious software. Credit Virginia Tech Photo Usage Restrictions Use photo with an report of Dr. Yao's CAREER award. 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.