Cybersecurity: Challenges, Technologies and Future Trends

This article comprehensively explores the core issues, key technologies, and future development directions in the field of cybersecurity. With the acceleration of the digitalization process, cybersecurity has become a global focus of attention.The article first analyzes the current situation and challenges of cybersecurity, including the evolution of the threat landscape, the diversification of attack types, and the vulnerability of the defense system. Subsequently, it conducts an in-depth study of the key technical system of cybersecurity, covering aspects such as encryption technology, identity authentication, intrusion detection, and blockchain applications.The article further explores the impact of emerging technologies such as artificial intelligence, the Internet of Things, and quantum computing on cybersecurity, and proposes corresponding defense strategies.Finally, it looks ahead to the future development trends of cybersecurity and emphasizes the importance of talent cultivation and international cooperation. This research provides theoretical references and practical guidance for building a more secure cyber environment.