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Learning Network Forensics

You're reading from   Learning Network Forensics Identify and safeguard your network against both internal and external threats, hackers, and malware attacks

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Product type Paperback
Published in Feb 2016
Publisher
ISBN-13 9781782174905
Length 274 pages
Edition 1st Edition
Concepts
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Author (1):
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Samir Datt Samir Datt
Author Profile Icon Samir Datt
Samir Datt
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Table of Contents (12) Chapters Close

Preface 1. Becoming Network 007s FREE CHAPTER 2. Laying Hands on the Evidence 3. Capturing & Analyzing Data Packets 4. Going Wireless 5. Tracking an Intruder on the Network 6. Connecting the Dots – Event Logs 7. Proxies, Firewalls, and Routers 8. Smuggling Forbidden Protocols – Network Tunneling 9. Investigating Malware – Cyber Weapons of the Internet 10. Closing the Deal – Solving the Case Index

Learning to handle the evidence


Once the sources of evidence are identified, the next critical aspect is to learn how to handle the evidence. In the previous chapter, we saw that forensics involves investigative processes used in a manner that is acceptable to a court of law.

Therefore, we need to ensure that all processes followed by us do not compromise the evidentiary value of the collected information.

Rules for the collection of digital evidence

Digital evidence, by its very nature, is fragile. It is extremely easy to tamper with and equally easy to destroy it.

In fact, in the early days, one of the key features that made computers so popular was the fact that a document that was made in a word processor could be very easily modified and mass produced.

In an evidentiary world, this means that whenever we handle the evidence or transport digital evidence, we may cause it to change. In fact, we may cause the digital evidence to change even when viewing it. Digital evidence may also degrade...

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