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Wi-Fi Security – Securing Access

CTS063 - Wi-Fi Security

François Vergès discusses Wi-Fi security and securing the access to the Wi-Fi network.

On episode 56, we have talked about the legacy Wi-Fi security mechanisms and we explained why they are not considered safe and secure anymore and why we should not be using them in our modern Wi-Fi networks deployments.

In this follow up episode, we want to start going over the stronger and safer way to secure a Wi-Fi network. We are focusing on how the client devices can securely connect and exchange data over a Wi-Fi network.

This episode will answer the following questions:

  • How does a client station securely connect to a Wi-Fi network?
  • What is WPA?
  • What is the difference between WPA and WPA2?
  • How does the Personal and Enterprise mode of operation work?
  • What is 802.1X and how is it related to Wi-Fi security?
  • What is required in order to authenticate client devices using 802.1X?
  • What is the 4-way handshake?
  • What are the secured EAP methods?
  • What do we need to do in order to securely use WPA/PA2-Personal?
  • What is considered a strong password?
  • How does a client station securely exchange data over the Wi-Fi network?

Resources

Here are the links to the videos we talked about during this episode:

Here are a couple of diagrams related to the Wi-Fi security topic:

 

 

If we want to dive deeper into the topic of Wi-Fi security, you can read the following book:

Other resources we talked about:

Password generation website: xkpasswd.net

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Wireless Network Engineer and Owner at SemFio Networks. CWNE #180. Living in London ON Canada, born and raised in Dijon, France.

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