LetsDefend Mobile is a mobile application that provides cybersecurity training and education for blue team professionals. The platform offers access to learning paths, hands-on courses, and browser-based challenges designed for defensive security operations. The application enables users to learn cybersecurity concepts through their smartphones, providing flexibility to access training content anytime and anywhere. Content is mapped to the MITRE ATT&CK Framework, allowing users to understand defensive techniques in the context of adversary tactics and techniques. The platform includes structured learning paths that follow career roadmaps for security operations center (SOC) analysts and other blue team roles. Users can access hands-on courses focused on defensive security skills and participate in challenges to test their knowledge. LetsDefend Mobile is available on both iOS and Android platforms. The service is part of the broader LetsDefend platform, which has been acquired by Hack The Box. The platform offers different pricing tiers for individuals, students, and business teams, with options for skill assessment and team upskilling use cases.