LetsDefend is a hands-on cybersecurity training platform that provides practical learning experiences for security professionals and students. The platform offers courses, learning paths, and simulated environments focused on blue team skills, including SOC analyst training, incident response, digital forensics (DFIR), malware analysis, and SIEM engineering. The platform features a SOC environment where users can investigate real cyber incidents and practice analyzing security alerts. Training content includes phishing email analysis, web attack detection, network fundamentals, Windows fundamentals, and malware analysis. LetsDefend provides both free and paid subscription tiers, with VIP and VIP+ memberships offering access to advanced content and certificates of completion. LetsDefend serves individual learners, students (with 50% educational discounts), and enterprise teams. The platform includes learning paths aligned with industry certifications such as CompTIA CySA+ and Google Cybersecurity Certificate. Enterprise offerings include team management features, user analytics, content assignment capabilities, and business reporting tools. The platform has been acquired by Hack The Box and serves over 400,000 learners across 150+ countries. Users complete hands-on labs in simulated environments to develop practical skills in security operations, threat detection, incident response, and forensic analysis. The training approach emphasizes real-world scenarios and technical skill development for careers in security operations centers and related defensive security roles.