This report provides a comprehensive overview of 5G wireless networks, delving into their architecture, security aspects, and limitations. It begins with an introduction to 5G technology, highlighting its advancements over previous generations (1G-4G) and emphasizing its capabilities for high data rates and improved services. The report then compares various cellular networks, including 2G, 3G, and 4G, to provide context for understanding the evolution of 5G. It explores the architecture of 5G, including the flat IP concept and the Nano core, and examines the security attacks that can compromise 5G networks, such as DDOS, MITM, phishing, and SQLI attacks. The report also discusses countermeasures to address these threats, such as firewalls, encryption, and the implementation of security policies. Finally, the report identifies limitations in 5G network coverage and suggests potential solutions to improve performance and security. The report concludes by emphasizing the importance of secure network practices and the ongoing evolution of 5G technology. This report is designed to enhance the reader's understanding of 5G networks, security, and the challenges associated with this advanced communication technology.
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