Ryan Younger
Ryan Younger is an Assistant Professor of Computer Science at Olivet Nazarene University, specialising in cybersecurity, network analysis, and applied AI. He has 30 years of industry experience, having worked at companies including Google, Meta, Microsoft, Cisco, and eBay on large-scale systems, security, and user-facing technologies.
Session
Packet analysis tools present traffic as linear sequences, requiring analysts to reconstruct relationships mentally. This session introduces a topology-based approach that visualises PCAP data as a graph of hosts and interactions, enabling immediate structural understanding.
Using real examples, including DNS failure caused by misconfigured routing, we compare traditional packet list workflows with topology-driven analysis. The approach reduces cognitive load, accelerates diagnosis, and highlights patterns that are difficult to see in sequential views.
The session also demonstrates a Wireshark-integrated workflow using PDML export, allowing packet captures to be transferred directly into GalaxyTracer for interactive topology visualisation and anomaly analysis.