Data sources
We can distinguish mostly three types of data sources: endpoint data sources, network data sources and security data sources. Each data source provides activity logs. A log is a record of events that took place in a specific environment. Logs are made up by entries, where each entry corresponds to an event.
Although logs are very useful sources of information when monitoring and doing forensics analysis, dealing with them involves dealing with a whole set of problems regarding different formats and storage capacity. The Guide to Computer Security Log Management (https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-92.pdf) wrote by Karen Kent and Murugiah Souppaya offers a good insight into the most common issues and how to solve them.
Most of the examples you are going to see in the follow section are gathered from the Windows Event Log Viewer. It would be a great practice is while reading this section, you open the Event Log Viewer and you try to find similar...