Understanding data collected
Threat hunting involves dealing with event logs from different data sources. There is not a right answer for what is the correct amount of data or the right data sources, since it will depend on what you are looking for and the resources of your organization. But, in any case, the data used for threat hunting doesn’t exist in a vacuum and it will be determined by the operating systems in the organizations’ endpoints, the devices connected to the organizations’ network, and even by the security solutions implemented.
In the previous chapters this book stated that part of the threat hunter skillset was to be able to understand network architecture and to recognize unusual patterns both in the network activity and in the data collected from endpoints and applications. So, before moving into the data source themselves, let’s do a quick review of some basics regarding operating systems and networking.
Operating systems basics
An operating...
