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Chapter 1. Practical Investigative Strat... > 1.5 Network Forensics Investigative ...

1.5 Network Forensics Investigative Methodology (OSCAR)

Like any other forensic task, recovering and analyzing digital evidence from network sources must be done in such a way that the results are both reproducible and accurate. In order to ensure a useful outcome, forensic investigators should perform our activities within a methodological framework. The overall step-by-step process recommended in this book is as follows:

Obtain information

Strategize

Collect evidence

Analyze

Report

We refer to this methodology as “OSCAR,” and walk through each of these steps in the following section.

1.5.1 Obtain Information

Whether you’re law enforcement, internal security staff, or a forensic consultant, you will always need to do two things at the beginning of an investigation: obtain information about the incident itself, and obtain information about the environment.


  

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