Explore the intersection of AI and cybersecurity in this 48-minute lecture by Anupam Joshi, Oros Family Professor and Chair, and Director of the Center for Cybersecurity at the University of Maryland Baltimore County. Delve into advanced persistent threats, discussing their long and multi-step processes, and examine various vulnerabilities exploited, such as APT37 (REAPER). Learn about AI applications in cybersecurity, focusing on intrusion detection systems that map multiple traditional and novel sensors to a common ontology. Discover techniques for detecting potential new vulnerabilities from web descriptions, blogs, tweets, and discussions. Investigate deductive reasoning approaches to represent and reason over analyst knowledge and rules. Address challenges in using NLP toolkits for cybersecurity applications, explore software supply chain attacks, and gain insights into multi-lingual threat intelligence.