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Learning Network Forensics

Learning Network Forensics

By : Datt
1.5 (2)
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Learning Network Forensics

Learning Network Forensics

1.5 (2)
By: Datt

Overview of this book

We live in a highly networked world. Every digital device—phone, tablet, or computer is connected to each other, in one way or another. In this new age of connected networks, there is network crime. Network forensics is the brave new frontier of digital investigation and information security professionals to extend their abilities to catch miscreants on the network. The book starts with an introduction to the world of network forensics and investigations. You will begin by getting an understanding of how to gather both physical and virtual evidence, intercepting and analyzing network data, wireless data packets, investigating intrusions, and so on. You will further explore the technology, tools, and investigating methods using malware forensics, network tunneling, and behaviors. By the end of the book, you will gain a complete understanding of how to successfully close a case.
Table of Contents (12 chapters)
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11
Index

Chapter 4. Going Wireless

 

"Freedom always comes at a price"

 
 --Samir Datt

Today, people desire to be free from the restraining and restricting wires. Always connected and always online, the growth of this desire has fueled the proliferation of wireless networks. Who doesn't have Wi-Fi at home or at their place of work? Our phones are connected using Wi-Fi, our tablets are connected over Wi-Fi and with the advent of the Internet of Things (IoT), even our household devices are connected over Wi-Fi or will be in the future!

However, the freedom of a wireless existence comes at a price. Wireless networks broadcast a signal that is open to the air. With no physical limitations except those of range, this signal is open to interception and interpretation by the bad guys.

In the previous chapters, we saw how information travels in packets over the network physical layer. In wireless LAN networks, the data packets are broadcast wirelessly over the air. The...

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