Discussing the importance of reviews
What is the purpose of implementing controls and detections without validating that they work in the first place and fill a need for your organization? In theory, you would only implement detections that fill needs such as mitigating risks from your risk registry and helping close visibility gaps, but sometimes it might just be about getting a quick win through tuning or trying to find the easiest detection to implement. Therefore, as mentioned in previous chapters, having a review system and feedback loop for systems is essential to ensure efficiency for both detections and your team as a whole.
To establish efficiency, you need to start with proper roles and responsibilities, which sounds simple but is a task that I still struggle with, due to ever-moving targets and tasks within the security field. You can start with a team charter, creating a vision for the team and a mission statement that helps identify the scope of the overall team. From...