ICS/OT Packet Analysis Tools

Want to learn more about ICS/OT packet analyzers? Here's a quick intro to three of the tools you might use to capture and analyze packets. 1. Wireshark Free Fairly easy to use Born from the IT world Has tremendous community support Very effective for building asset registers Supports all major ICS/OT protocols (and then some) Incredible capabilities for capturing and reading packets Dissectors (a.k.a. parsers) translate data into a readable format 2. OT PCAP Analyzer (OPA) Free as well! Built specifically for OT Designed to build asset registers Also designed for finding anomalous traffic I will definitely need more time to take a better look! 3. Network Miner Honorable mention Extracts files from packet captures!!! Includes basic functionality to enumerate hosts