Daphne Yao, Virginia Tech (image) Virginia Tech Caption Daphne Yao, assistant professor of computer science at Virginia Tech, holds a patent on her human-behavior driven malware detection technology. Credit Virginia Tech Photo Usage Restrictions the photo of Dr. Yao may be used with any discussion of her work. 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.