Chapter 8: Enhancing Your Network Defensive Skills

"The digital economy and the knowledge society is supported by immense masses of data that navigate in cyberspace, enabling the interaction between systems, humans and companies. Thus, the future of connected humanity depends on the investment, robustness and cybersecurity of telecommunications networks."

– Luis Adrian Salazar, Former Minister of Science Technology and Telecommunication of Costa Rica

The foundation of a network security strategy should be based on knowledge of the data that is passing through this network.

You will be amazed by the huge amount of overhead that is passing through your network.

But most importantly, you will be surprised with the amount of network traffic that flows through your network even when you are not using it. Programs requesting updates, programs sending encoded data to their servers (something that we agree to when we install social media apps such as TikTok and...