In today's digital and globalized context, the live broadcast of sports events has become the focus of public attention, but it also raises many copyright-related issues. The broadcast of sports events not only involves the event itself, but also covers the broadcast, comment, recording and use of related content. This study provides an in-depth analysis of the cybersecurity challenges faced by sports meeting broadcasting and live streaming platforms. It examines the applicability and limitations of the existing legal framework in protecting these platforms from cyber threats. Through case studies, the research identifies common forms of illegal live streaming and online broadcasting infringement and assesses the effectiveness of relevant legal regulations. Finally, the paper offers recommendations for improving the legal framework and enhancing international cooperation to address the growing complexity of cybersecurity threats, ensuring the fairness of sports meetings and the operational security of broadcasting platforms.