The threat logs will only populate the URL field if there's a url based vulnerability/threat. iIn other words, DNS security profile hits because there was a DNS lookup to a malicious domain
For 'regular' threats, additional URL information may be available from the url filtering logs associated with any web based connections, which you can see in the Detailed Log View
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!