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Tao of Network Security Monitoring, The: Beyond Intrusion Detection
- By Richard Bejtlich
- Published Jul 12, 2004 by Addison-Wesley Professional.
- Copyright 2005
- Dimensions: 7x9-1/4
- Pages: 832
- Edition: 1st
- Book
- ISBN-10: 0-321-24677-2
- ISBN-13: 978-0-321-24677-6
- eBook (Watermarked)
- ISBN-10: 0-13-260336-5
- ISBN-13: 978-0-13-260336-2
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Product Author Bios
Richard Bejtlich is founder of TaoSecurity, a company that helps clients detect, contain, and remediate intrusions using Network Security Monitoring (NSM) principles. He was formerly a principal consultant at Foundstone--performing incident response, emergency NSM, and security research and training--and created NSM operations for ManTech International Corporation and Ball Aerospace & Technologies Corporation. For three years, Bejtlich defended U.S. information assets as a captain in the Air Force Computer Emergency Response Team (AFCERT). Formally trained as an intelligence officer, he is a graduate of Harvard University and of the U.S. Air Force Academy. He has authored or coauthored several security books, including The Tao of Network Security Monitoring (Addison-Wesley, 2004).
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"The book you are about to read will arm you with the knowledge you need to defend your network from attackers—both the obvious and the not so obvious.... If you are new to network security, don't put this book back on the shelf! This is a great book for beginners and I wish I had access to it many years ago. If you've learned the basics of TCP/IP protocols and run an open source or commercial IDS, you may be asking 'What's next?' If so, this book is for you."
—Ron Gula, founder and CTO, Tenable Network Security, from the Foreword
"Richard Bejtlich has a good perspective on Internet security—one that is orderly and practical at the same time. He keeps readers grounded and addresses the fundamentals in an accessible way."
—Marcus Ranum, TruSecure
"This book is not about security or network monitoring: It's about both, and in reality these are two aspects of the same problem. You can easily find people who are security experts or network monitors, but this book explains how to master both topics."
—Luca Deri, ntop.org
"This book will enable security professionals of all skill sets to improve their understanding of what it takes to set up, maintain, and utilize a successful network intrusion detection strategy."
—Kirby Kuehl, Cisco SystemsEvery network can be compromised. There are too many systems, offering too many services, running too many flawed applications. No amount of careful coding, patch management, or access control can keep out every attacker. If prevention eventually fails, how do you prepare for the intrusions that will eventually happen?
Network security monitoring (NSM) equips security staff to deal with the inevitable consequences of too few resources and too many responsibilities. NSM collects the data needed to generate better assessment, detection, and response processes—resulting in decreased impact from unauthorized activities.
In The Tao of Network Security Monitoring, Richard Bejtlich explores the products, people, and processes that implement the NSM model. By focusing on case studies and the application of open source tools, he helps you gain hands-on knowledge of how to better defend networks and how to mitigate damage from security incidents.
Inside, you will find in-depth information on the following areas.
- The NSM operational framework and deployment considerations.
- How to use a variety of open-source tools—including Sguil, Argus, and Ethereal—to mine network traffic for full content, session, statistical, and alert data.
- Best practices for conducting emergency NSM in an incident response scenario, evaluating monitoring vendors, and deploying an NSM architecture.
- Developing and applying knowledge of weapons, tactics, telecommunications, system administration, scripting, and programming for NSM.
- The best tools for generating arbitrary packets, exploiting flaws, manipulating traffic, and conducting reconnaissance.
Whether you are new to network intrusion detection and incident response, or a computer-security veteran, this book will enable you to quickly develop and apply the skills needed to detect, prevent, and respond to new and emerging threats.
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36 of 39 people found the following review helpful
Superb and exclusive security book!, By
This review is from: The Tao of Network Security Monitoring: Beyond Intrusion Detection (Paperback)
Here is a really cool security book, that made me lose half a nigh sleep when I first got it. Richard Bejtlich "Tao of Network Security Monitoring" ("Tao of NSM") covers the process, tools and analysis techniques for monitoring your network using intrusion detection, session data, traffic statistical information and other data. Here are some of the book highlights.The book starts from a really exciting and fun background on security, risk and the need to monitor networks and systems. Topics such as the classic "threat x vulnerability x value = risk" formula to threat modeling and limitation of attack prevention technologies are included. A nice thing on the process side is the "assess -> protect -> detect -> respond" loop, that defines a security process for an organization on a high level. Threat analysis material seems to have military origin, but is enlightening for other types of organizations as well. NSM... Read more
17 of 17 people found the following review helpful
An excellent and comprehensive security book,
This review is from: The Tao of Network Security Monitoring: Beyond Intrusion Detection (Paperback)
Richard Bejtlich hits one out of the park with this terrific book. In one stroke, he moves the art and science of intrusion detection out of the little leagues and into the majors. If you've already run through articles and books with advice like "just load SNORT and start tuning", this book will shift you to an all-star level in which thousands of machines across enterprise networks can be monitored and protected.Network security monitoring (NSM) is the discipline of collecting and interpreting detailed network traffic to find and foil attackers. Although it may seem like Intrusion Detection (and IDSs), the relationship between IDSs and NSM is like that between Bonzo the chimp and King Kong. Almost anybody could handle a chimp for a few hours - or you'd think so from watching the movies - but bringing King Kong into your neighborhood means you really have to know what you're doing. He'll take a lot of feeding and special care. On the other hand, he does much more than... Read more
11 of 11 people found the following review helpful
Great book - covers topic in detail, By
This review is from: The Tao of Network Security Monitoring: Beyond Intrusion Detection (Paperback)
This is a great book. With most geek books, I browse and grab what I need. With this one, I even read the apendices!At first, the author's tone put me off. He spends the introductory chapters talking about the "Way" of Network Security Monitoring, (capitalized) and how it's much better than other approaches. It felt a little like, "My Burping Crane Kung-Fu will defeat your Shining Fist techniques!" I really didn't see much difference between what he was talking about and other approaches. I admit to being much newer to this discipline than the author, and he has an impressive appendix on the intellectual history of intrusion detection (uncapitalized). So it may be that the lessons he advocates have already been internalized; my exposure may have been to a field that has already moved up to his standard. But I have a hard time imagining that intrusion analysts have ever been satisfied with a single approach with no correlation. As I understand what he means by... Read more |
Online Sample Chapters
What Is Network Security Monitoring?
Why Sguil Is the Best Option for Network Security Monitoring Data
Index
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file related to this title.
Foreword
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Table of Contents
Foreword.
Preface.
About the Author.
About the Contributors.
I. INTRODUCTION TO NETWORK SECURITY MONITORING.
1. The Security Process.
What Is Security?
What Is Risk?
A Case Study on Risk.
Security Principles: Characteristics of the Intruder.
Security Principles: Phases of Compromise.
Security Principles: Defensible Networks.
Conclusion.
2. What Is Network Security Monitoring?
Indications and Warnings.
Collection, Analysis, and Escalation.
Detecting and Responding to Intrusions.
Why Do IDS Deployments Often Fail?
Outsiders versus Insiders: What Is NSM's Focus?
Security Principles: Detection.
Security Principles: Limitations.
What NSM Is Not.
NSM in Action.
Conclusion.
3. Deployment Considerations.
Threat Models and Monitoring Zones.
Accessing Traffic in Each Zone.
Wireless Monitoring.
Sensor Architecture.
Sensor Management.
Conclusion.
II. NETWORK SECURITY MONITORING PRODUCTS.
4. The Reference Intrusion Model.
The Scenario.
The Attack.
Conclusion.
5. Full Content Data.
A Note on Software.
Libpcap.
Tcpdump.
Tethereal.
Snort as Packet Logger.
Finding Specific Parts of Packets with Tcpdump, Tethereal, and Snort.
Ethereal.
A Note on Commercial Full Content Collection Options.
Conclusion.
6. Additional Data Analysis.
Editcap and Mergecap.
Tcpslice.
Tcpreplay.
Tcpflow.
Ngrep.
IPsumdump.
Etherape.
Netdude.
P0f.
Conclusion.
7. Session Data.
Forms of Session Data.
Cisco's NetFlow.
Fprobe.
Ng_netflow.
Flow-tools.
sFlow and sFlow Toolkit.
Argus.
Tcptrace.
Conclusion.
8. Statistical Data.
What Is Statistical Data?
Cisco Accounting.
Ipcad.
Ifstat.
Bmon.
Trafshow.
Ttt.
Tcpdstat.
MRTG.
Ntop.
Conclusion.
9. Alert Data: Bro and Prelude.
Bro.
Prelude.
Conclusion.
10. Alert Data: NSM Using Sguil.
Why Sguil?
So What Is Sguil?
The Basic Sguil Interface.
Sguil's Answer to "Now What?"
Making Decisions with Sguil.
Sguil versus the Reference Intrusion Model.
Conclusion.
III. NETWORK SECURITY MONITORING PROCESSES.
11. Best Practices.
Assessment.
Protection.
Detection.
Response.
Back to Assessment.
Conclusion.
12. Case Studies for Managers.
Introduction to Hawke Helicopter Supplies.
Case Study 1: Emergency Network Security Monitoring.
Case Study 2: Evaluating Managed Security Monitoring Providers.
Case Study 3: Deploying an In-House NSM Solution.
Conclusion.
IV. Network Security Monitoring People.
13. Analyst Training Program.
Weapons and Tactics.
Telecommunications.
System Administration.
Scripting and Programming.
Management and Policy.
Training in Action.
Periodicals and Web Sites.
Case Study: Staying Current with Tools.
Conclusion.
14. Discovering DNS.
Normal Port 53 Traffic.
Suspicious Port 53 Traffic.
Malicious Port 53 Traffic.
Conclusion.
15. Harnessing the Power of Session Data.
The Session Scenario.
Session Data from the Wireless Segment.
Session Data from the DMZ Segment.
Session Data from the VLANs.
Session Data from the External Segment.
Conclusion.
16. Packet Monkey Heaven.
Truncated TCP Options.
SCAN FIN.
Chained Covert Channels.
Conclusion.
V. THE INTRUDER VERSUS NETWORK SECURITY MONITORING.
17. Tools for Attacking Network Security Monitoring.
Packit.
IP Sorcery.
Fragroute.
LFT.
Xprobe2.
Cisco IOS Denial of Service.
Solaris Sadmin Exploitation Attempt.
Microsoft RPC Exploitation.
Conclusion.
18. Tactics for Attacking Network Security Monitoring.
Promote Anonymity.
Evade Detection.
Appear Normal.
Degrade or Deny Collection.
Self-Inflicted Problems in NSM.
Conclusion.
Epilogue The Future of Network Security Monitoring.
Remote Packet Capture and Centralized Analysis.
Integration of Vulnerability Assessment Products.
Anomaly Detection.
NSM Beyond the Gateway.
Conclusion.
VI. APPENDIXES.
Appendix A: Protocol Header Reference.
Appendix B: Intellectual History of Network Security Monitoring.
Appendix C: Protocol Anomaly Detection.
Index.
Downloadable Sample Chapter
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