The first piece is what I’m going to call the sniffer. (0:56–1:58) Now, before I start opening one up and letting you look at it, you need to understand that there are two very separate pieces to any protocol analyzer. So if we’re talking about protocol analyzers, we need to know about Wireshark. Now, Wireshark has been around for 20 years and has been a powerful go-to tool for that entire time. The one I’m going to concentrate on today is the very, very famous Wireshark. To me, they’re more like network analyzers or network traffic analyzers, and these are critical tools that any good IT security person should know extremely well. I never really liked the word protocol analyzer. Usually, although not necessarily required, the one we’re sitting on at any given moment. (0:00–0:55) Protocol analyzers are tools that we use to analyze the network traffic coming in and out of a specific host computer.

The edited transcript of the network traffic analysis walkthrough is provided below, separated into each step Mike covers in the video. More Free Training Videos Wireshark demo and walkthrough Check out the full collection of free Cyber Work Applied training videos. New episodes of Cyber Work Applied are released every other week. How to use Wireshark for protocol analysis | Free Cyber Work Applied series Watch the full breakdown below of how the attack works:

In this episode of Cyber Work Applied, Mike explains what a protocol analyzer is and how cybersecurity professionals use them to filter network traffic for red flags that need further investigation. How to use Wireshark to analyze network traffic Learn how to use popular tools like the free protocol analyzer Wireshark and sniffing tool tcpdump in this walkthrough from Infosec Skills author Mike Meyers.

Capturing and analyzing network traffic is a foundational skill for many cybersecurity positions, particularly SOC analysts.

How do i use wireshark