I mainly use Trellix Network Detection and Response to find zero-day threats, malware, or anything malicious on our clients' endpoint devices.
I can give you a specific example of how I used Trellix Network Detection and Response to spot something malicious. Such a scenario is when a user using a client device logs in to a Tor browser and is using the Tor browser to surf something malicious. On the dashboard, we used to get the alert for the same and we used to investigate from there by looking at the IP, the source IP, the destination IP, and how it is landing on the Tor browser and what the user is doing. We could do all of this with that.