Beginner
The talk/workshop is generally targeted to a beginner audience
Intermediate
Users can be expected to have used Wireshark or accompanying tools to some degree and are familiar with the basics of the application.
Expert / Developer
In-Tech talks about developing for Wireshark or about specific network and engineering issues and solutions.
Security
Talks and Workshops focussed mostly on security issues
A.I.
Talks / Presentations targeted towards artificial intelligence