The aim of this research is to investigate the risk of online radicalization among young adults, particularly university-attending students, by relating their vulnerability to online radicalization with the amount of time they spend online. This research is an outcome of the “Building Resilient Universities Project” (BRUP), funded by the National Endowment for Democracy (NED), a private non-profit, US-based organization, and implemented by the University of Liberal Arts Bangladesh (ULAB). The study adopts a quantitative research approach using a sample of 600 ULAB undergraduates. Analysis of data collected from students shows that the high-internet-user group, i.e., those who use the internet for seven hours or more a day, are more likely to find radical and religiously offensive material online; less likely to be influenced by family, faculty and community members; and have loweraccess to learning and knowledge resources that can render them resilient to radicalization. Therefore, it is posited that high-internet-user students are more vulnerable to online radicalization than others. The data also supports that high-internet-user males more vulnerable to online radicalization than females