LetsDefend for Business is a hands-on training platform designed to upskill cybersecurity teams in blue team operations. The platform provides realistic Security Operations Center (SOC) environments where teams can investigate real cyber attacks and practice incident response. The platform offers structured learning paths for different security roles including SOC Analyst, Incident Responder, and Detection Engineering, with a Threat Hunter path in development. Training content is mapped to the MITRE ATT&CK Framework to align with industry standards. LetsDefend includes browser-based blue team challenges that enable active learning through practical application. The platform supports team management with learner groups and provides reporting capabilities to track progress and skill development. For recruitment purposes, the platform offers a skill assessment feature that allows organizations to send security incidents to job candidates and receive detailed reports on their technical capabilities. This three-step process involves sending an incident, waiting for the candidate to complete it, and reviewing the generated report. The platform is designed to serve teams of varying sizes, from small groups to organizations with 200+ members, providing a shared environment for collaborative learning and skill development in cybersecurity operations.