In the past few years, the digital economy is flourishing and has become the driving force behind global economic growth. However, cyber security emerges as its foremost challenge. To ensure the sustainable development of the digital economy, artificial intelligence is considered a crucial technological means. 2025 4th International Conference on Cyber Security, Artificial Intelligence and the Digital Economy will be held in Kualalumpur, Malaysia on March 7-9, 2025. At the heart of this conference is the recognition of the profound impact of AI and cybersecurity on the digital economy. The conference aims to bring together leading academic scientists, researchers and research scholars to exchange and share their experiences and research findings in various aspects of these emerging fields. It will thus foster collaboration, address emerging challenges, and promote innovation and educational outreach in the digital.