This report provides a comprehensive overview of network security, addressing key aspects such as Google Dorking techniques and their potential threats, along with preventative measures. It delves into recommended cryptoperiods for various cryptographic algorithms, including hashing, symmetric, and asymmetric key encryption, highlighting their strengths and valid usage periods. The report further explores the importance of cloud computing, detailing different service models (IaaS, PaaS, SaaS), cloud solutions, and security considerations, including a comparison of Microsoft Azure and Amazon Web Services. Finally, it compares protocol analyzers, specifically Windows Message Analyzer and Wireshark, emphasizing their features, importance in network analysis, and recommendations for use. The report aims to provide a clear understanding of network security fundamentals, threats, and best practices.