Chapter 6: Blue Team – Collect
In the previous chapter, we discussed and discovered some very important topics to help us understand and deploy our offensive infrastructure. Now, we need to start looking at the implementation of our defensive posture. We will not cover all the applications you must set up and use to analyze all your inbound and outbound flows and hosts. Instead, we will focus on the methods we can implement to gather all the information that will be generated by our security products.
First, we will provide an overview of our infrastructure and the need to map and classify our assets to introduce the interest in collecting logs. Then, we will look at the technical methods we can deploy to centralize our logs using some agents, as well as methods to collect and ship logs without the need to deploy agents. Finally, we will cover Logstash, a solution that's used to extract and transform our logs into valuable and actionable information that we can send...
