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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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 Datt Datt
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Datt
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Toc

Table of Contents (17) Chapters Close

Learning Network Forensics
Credits
About the Author
About the Reviewers
www.PacktPub.com
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

Various VPN vulnerabilities & logging


Given the wide spread use of VPNs, extended functionality that they provide, economy of use, and their transparency to the user, it was just a matter of time before the bad guys began to target VPNs. Some of the reasons the VPNs are targeted include the following:

  • Users tend to use VPNs to transmit sensitive information. This is understandable as the common belief is that VPNs are secure.

  • VPNs usually have full and unrestricted access to the internal networks. Gaining access via a VPN provides full and unfettered access to the corporate networks.

  • VPNs provide anonymity from IDSs if they are configured to operate outside the VPN. Any bad guy who gains access to the VPN can hide in the encrypted tunnel and not be detected by the IDS.

  • VPNs are comparatively soft targets. This is because people tend to consider IPSec relatively secure and tend to spend resources hardening other network components.

So, what are the ways the VPNs can be compromised? Understanding...

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