Cisco Router and Switch Forensics

1st Edition

Investigating and Analyzing Malicious Network Activity

Authors: Dale Liu
Paperback ISBN: 9781597494182
eBook ISBN: 9780080953847
Imprint: Syngress
Published Date: 28th April 2009
Page Count: 528
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Description

Cisco IOS (the software that runs the vast majority of Cisco routers and all Cisco network switches) is the dominant routing platform on the Internet and corporate networks. This widespread distribution, as well as its architectural deficiencies, makes it a valuable target for hackers looking to attack a corporate or private network infrastructure. Compromised devices can disrupt stability, introduce malicious modification, and endanger all communication on the network. For security of the network and investigation of attacks, in-depth analysis and diagnostics are critical, but no book currently covers forensic analysis of Cisco network devices in any detail.

Cisco Router and Switch Forensics is the first book devoted to criminal attacks, incident response, data collection, and legal testimony on the market leader in network devices, including routers, switches, and wireless access points.

Why is this focus on network devices necessary? Because criminals are targeting networks, and network devices require a fundamentally different approach than the process taken with traditional forensics. By hacking a router, an attacker can bypass a network's firewalls, issue a denial of service (DoS) attack to disable the network, monitor and record all outgoing and incoming traffic, or redirect that communication anywhere they like. But capturing this criminal activity cannot be accomplished with the tools and techniques of traditional forensics. While forensic analysis of computers or other traditional media typically involves immediate shut-down of the target machine, creation of a duplicate, and analysis of static data, this process rarely recovers live system data. So, when an investigation focuses on live network activity, this traditional approach obviously fails. Investigators must recover data as it is transferred via the router or switch, because it is destroyed when the network device is powered down. In this case

Key Features

  • The only book devoted to forensic analysis of routers and switches, focusing on the operating system that runs the vast majority of network devices in the enterprise and on the Internet
  • Outlines the fundamental differences between router forensics and traditional forensics, a critical distinction for responders in an investigation targeting network activity
  • Details where network forensics fits within the entire process of an investigation, end to end, from incident response and data collection to preparing a report and legal testimony

Readership

Digital forensic investigators and security professionals

Table of Contents

Introduction: An Overview of Cisco Router and Switch Forensics Chapter 1: Digital Forensics and Analyzing Data Chapter 2: Seizure of Digital Information Chapter 3: The Basics of Networking Chapter 4: The Language and Mindset of a Network Administrator Chapter 5: Subnetting and CIDR Chapter 6: Arrival on the Scene Chapter 7: Diagramming the Network Infrastructure Chapter 8: Cisco IOS Router Basics Chapter 9: Understanding the Methods and Mindset of the Attacker Chapter 10: Collecting the Non-Volatile Data from a Router Chapter 11: Collecting the Volatile Data from a Router Chapter 12: Cisco IOS Switch Basics Chapter 13: Virtual LANs Chapter 14: Collecting the Non-Volatile and Volatile Data from a Switch
Chapter 15: Preparing Your Report Chapter 16: Preparing to Testify Appendix A: Cisco Wireless Device Forensics

Details

No. of pages:
528
Language:
English
Copyright:
© Syngress 2009
Published:
Imprint:
Syngress
eBook ISBN:
9780080953847
Paperback ISBN:
9781597494182

About the Author

Dale Liu

Dale Liu, (MCSE Security, CISSP, MCT, IAM/IEM, CCNA) has been working in the computer and networking field for over 20 years. Dale's experience ranges from programming to networking to information security and project management. He currently teaches networking, routing and security classes, while working in the field performing security audits and infrastructure design for medium to large companies.

Affiliations and Expertise

Dale Liu, (MCSE Security, CISSP, MCT, IAM/IEM, CCNA) has been working in the computer and networking field for over 20 years. Dale's experience ranges from programming to networking to information security and project management. He currently teaches networking, routing and security classes, while working in the field performing security audits and infrastructure design for medium to large companies.