Team Cacti, a team of UB computer science and engineering graduate students, recently placed fifth worldwide and first in the U.S. in the DEFCON AutoDriving Capture the Flag competition organized by Baidu. Over 90 teams participated in the event, which focuses on autonomous driving security. Team members are, from left, Assistant Professor Ziming Zhao, Zheyuan Ma, Nishant Vishwamitra, Sabiha Shaik, Xi Tan, Feng Wei, Qiqing Huang and Associate Professor Hongxin Hu. Photo: Madison Dailley