Rex Guo works as a Principal Engineer at Lacework where he leads data-driven cloud security product development, detection efficacy roadmap and research on new attack vectors in the cloud. Previously, he was the Head of Research at Confluera where he led the research and development of the cloud XDR product which offers real-time attack narratives. Before that, he was an Engineering Manager at Cisco Tetration where his team bootstrapped the cloud workload protection product deployed on millions of workloads. Before that, Rex worked at Intel Security and Qualcomm. In these positions, he worked on application security, infrastructure security, malware analysis, and mobile/IoT security. Most notably, he led the Intel team to secure millions of iPhones which had Intel cellular modems inside. He has presented at Blackhat and Defcon multiple times. He has 30+ patents and publications. He received a PhD from New York University.