February 2014
Beginner
348 pages
9h 13m
English
Content preview from Network Security Through Data AnalysisBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Part II. Tools
This section is about a number of tools for use in data analysis. The primary focus of this section is on two particular tools: SiLK and R. The System for Internet-Level Knowledge (SiLK) is a NetFlow analysis toolkit developed by the CERT at Carnegie Mellon University, which enables analysts to develop sophisticated flow analysis systems quickly and efficiently. R, a statistical analysis package developed at the University of Auckland, enables exploratory data analysis and visualization.
At this time, there is no killer app for network analysis. Analysis requires using many tools, often in ways they weren’t really designed for. The tools covered in this section form what I believe to be a basic functional toolkit for an analyst. Combining them with a light scripting language such as Python empowers analysts to explore data and develop operationally useful products.
The remainder of this section is divided into five chapters. Chapter 5 describes the SiLK suite, Chapter 6 describes R. Chapter 7 discusses IDS; while IDSes were briefly discussed in Part I, this chapter discusses the construction and maintenance of these tools—analysts will often produce ad hoc IDSes to identify or deal with attacks. Chapter 8 discusses tools to identify the ways in which hosts are connected to the Internet, including reverse DNS lookups, looking glasses, and tools such as traceroute and ping. Finally, Chapter 9 discusses additional tools that are useful for particular analytic tasks.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.