Practical Wi-Fi Hacking using Kali Linux: Understanding Network Basics and Packets, Lecture notes of Mobile Computing

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Practical Wifi Hacking using

Kali Linux

Cours

e Introduction:

1. Pre connection attacks. Three main parts:

2. Gaining access to encrypted networks.

3. Post connection attacks.

● A network is a number of devices connected together. ● Use: to transfer data or share resources between the connected devices. ● All networks (wifi or wired) achieve this using the same principle. ● One device acts as a server , the server contains the data that is shared between the connected devices. ● In most wi-fi networks , the server is the router , and the shared data is the internet.

Question: Then how come all the devices in the network can access the internet ???

When a device in the network needs to access the shared resource (internet), It sends a request to there server (router).

When a device in the network needs to access the shared resource (internet), It sends a request to there server (router).

● All of this data (requests and responses) is transferred as packets .in wi-fi networks , these packets are sent in the air between the devices.