LetsDefend

LetsDefend, based in the US, specializes in cybersecurity training, focusing on hands-on development of effective Security Operations Center (SOC) skills for analysts. The company delivers practical learning experiences for both individuals and organizations. Founded in 2020 and headquartered in Herndon, US, LetsDefend provides cybersecurity training services. It has received funding through a single investment round and was acquired by Hack The Box Ltd in September 2025 for an undisclosed amount.

The founder's specific history is not publicly available. LetsDefend specializes in blue team training within the cybersecurity sector, focusing on developing the skills needed for effective Security Operations Center (SOC) operations. Their core offerings include hands-on training programs that equip SOC Analysts with essential cybersecurity knowledge such as network analysis, malware investigation, and incident response. The training caters to various expertise levels, including beginners and those preparing for certifications like CompTIA CySA+ and Google Cyber Security Expert Certification.

LetsDefend's educational platform provides a comprehensive learning path, allowing students to gain practical experience through simulated cyber attack investigations. Their target audience encompasses students, professionals transitioning into cybersecurity careers, and organizations looking to upskill their teams, primarily in North America and Europe. LetsDefend's revenue model is primarily based on subscription services and educational partnerships. Clients, including individual learners and businesses, engage with the platform by signing up for various training courses and certification paths.

Revenue is generated through subscriptions that grant access to extensive resources and hands-on learning experiences. For businesses, tailored plans are available for team training, enabling organizations to enhance their cybersecurity capabilities. Students registering with a . edu email receive a 50% discount, positioning the platform competitively within the education sector while focusing on practical skills in cybersecurity.

Following its acquisition in September 2025, LetsDefend plans to expand its cybersecurity training offerings by integrating hands-on blue team simulations and cross-role learning paths into Hack The Box Ltd's platform. This strategic move aims to broaden their global user base and enhance integrated workforce development. The acquisition will bolster LetsDefend's position in the cybersecurity training market as they aim to leverage Hack The Box Ltd's resources for future product development and market expansion.