In this video, I'm taking it back to basics. I get asked ALL the time where to start to get into cybersecurity. Understanding how networking works at a fundamental level is critical. It is a required Cybersecurity Skill: Understanding Basic Networking Concepts If you don't know how computers are suppose to talk to each other, how do you know when they are doing it in a malicious way, or how to take advantage of weaknesses. The OSI stack is the model modern networks use and it is paramount to "get" it. I run through OSI, and give practical examples. Then I show you how to use Wireshark to visualize network traffic. It's less cyber this week, but just as important in your career.
TIMESTAMPS:
1:40 Why understanding networks is important
3:48 OSI Model
5:01 Transport layer
10:38 Network layer
17:18 Data Link Layer
22:54 RFC 1918 non-routable IP
28:34 Using Wireshark to visualize network traffic
34:26 One Cool Thing: Cyber Security Headlines Podcast
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OSI Model: [ Ссылка ]
One Cool Thing: Cyber Security Headlines: [ Ссылка ]
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Disclaimer: All content reflects the thoughts and opinions of Gerald Auger and the speakers themselves, and are not affiliated with the employer of those individuals unless explicitly stated.
