From the course: Learning Cryptography and Network Security

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Securing wireless communication

Securing wireless communication

From the course: Learning Cryptography and Network Security

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Securing wireless communication

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Wireless networks send signals using radio waves, which can make them vulnerable to attacks. In this segment, we'll compare different encryption algorithms that are used to secure wireless communications. Today, most of what we do involves wireless communications. An insecure home router can allow others to spy on you and obtain sensitive information, so it's best to secure your wireless connection. First, let's talk about how Wi-Fi works. In your home, your router, also called an access point, functions as a connection between you and your existing network. To identify your router, there's a Service Set Identifier or SSID, which is the network name. A wireless station such as a laptop or your phone communicates with other stations using the protocol, 802.11, commonly known as Wi-Fi. Wi-Fi has several versions, including Wi-Fi 4 or 802.11n, Wi-Fi 5 or 802.11ac; which is widely used, Wi-Fi 6 or 802.11ax, and the newest member of the Wi-Fi family; Wi-Fi 7 or 802.11be. Wireless networks…

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