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Cybersecurity - Attack and Defense Strategies
Cybersecurity - Attack and Defense Strategies

Cybersecurity - Attack and Defense Strategies: Infrastructure security with Red Team and Blue Team tactics

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Profile Icon Yuri Diogenes Profile Icon Dr. Erdal Ozkaya
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Arrow left icon
Profile Icon Yuri Diogenes Profile Icon Dr. Erdal Ozkaya
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€37.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.7 (33 Ratings)
Paperback Jan 2018 384 pages 1st Edition
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Cybersecurity - Attack and Defense Strategies

Incident Response Process

In the last chapter, you learned about the three pillars that sustained your security posture, and two of them (detection and response) are directly correlated with the Incident Response (IR) process. To enhance the foundation of your security posture, you need to have a solid incident response process. This process will dictate how to handle security incidents and rapidly respond to them. Many companies do have an incident response process in place, but they fail to constantly review it to incorporate lessons learned from previous incidents, and on top of that, many are not prepared to handle security incidents in a cloud environment.

In this chapter, we're going to be covering the following topics:

  • The incident response process
  • Handling an incident
  • Post-incident activity

Incident response process

There are many industry standards, recommendations, and best practices that can help you to create your own incident response. You can still use those as a reference to make sure you cover all the relevant phases for your type of business. The one that we are going to use as a reference in this book is the Computer Security Incident Response (CSIR)—publication 800-61R2 from NIST(1).

Reasons to have an IR process in place

Before we dive into more details about the process itself, it is important to be aware of some of the terminology that is used, and also what the final goal is when using IR as part of enhancing your security posture. Why is it important? Let's use a fictitious company...

Handling an incident

Handling an incident in the context of the IR life cycle includes the detection and containment phases. In order to detect a threat, your detection system must be aware of the attack vectors, and since the threat landscape changes so rapidly, the detection system must be able to dynamically learn more about new threats and new behaviors, and trigger an alert if a suspicious activity is encountered.

While many attacks will be automatically detected by the detection system, the end user has an important role in identifying and reporting the issue in case they find a suspicious activity.

For this reason, the end user should also be aware of the different types of attack and learn how to manually create an incident ticket to address such behavior. This is something that should be part of the security awareness training.

Even with users being diligent by closely...

Post-incident activity

The incident priority may dictate the containment strategy—for example, if you are dealing with a DDoS attack that was opened as a high-priority incident, the containment strategy must be treated with the same level of criticality. It is rare that the situations where the incident is opened as high severity are prescribed medium-priority containment measures, unless the issue was somehow resolved in between phases.

Real-world scenario

Let's use the WannaCry outbreak as a real-world example, using the fictitious company Diogenes & Ozkaya Inc. to demonstrate the end-to-end incident response process.

On May 12, 2017, some users called the help desk saying that they were receiving the following...

Incident response in the cloud

When we speak about cloud computing, we are talking about a shared responsibility (4) between the cloud provider and the company that is contracting the service. The level of responsibility will vary according to the service model, as shown in the following diagram:

For Software as a Service (SaaS), most of the responsibility is on the Cloud Provider; in fact, the customer's responsibility is basically to keep his or her infrastructure on premises protected (including the endpoint that is accessing the cloud resource). For Infrastructure as a Service (IaaS), most of the responsibility lies on the customer's side, including vulnerability and patch management.

Understanding the responsibilities is important in order to understand the data gathering boundaries for incident response purposes. In an IaaS environment, you have full control of...

References

  1. You can download this publication at http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-61r2.pdf
  2. According to Computer Security Incident Response (CSIR)—Publication 800-61R2 from NIST, an event is "any observable occurrence in a system or network". More information at http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-61r2.pdf

 

  1. More information about this patch at https://technet.microsoft.com/en-us/library/security/ms17-010.aspx
  2. More information about this subject at https://blog.cloudsecurityalliance.org/2014/11/24/shared-responsibilities-for-security-in-the-cloud-part-1/
  3. For Microsoft Azure, read this paper for more information about incident response in the cloud https://gallery.technet.microsoft.com/Azure-Security-Response-in-dd18c678
  4. For Microsoft Online Service you can use this form https://cert.microsoft...

Summary

In this chapter, you learned about the incident response process, and how this fits into the overall purpose of enhancing your security posture. You also learned about the importance of having an incident response in place to rapidly identify and respond to security incidents. By planning each phase of the incident response life cycle, you create a cohesive process that can be applied to the entire organization. The foundation of the incident response plan is the same for different industries, and on top of this foundation you can include the customized areas that are relevant to your own business. You also came across the key aspects of handling an incident, and the importance of post-incident activity—which includes a full documentation of lessons learned—and using this information as input to improve the overall process. Lastly, you learned the basics...

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Key benefits

  • Gain a clear understanding of the attack methods, and patterns to recognize abnormal behavior within your organization with Blue Team tactics
  • Learn to unique techniques to gather exploitation intelligence, identify risk and demonstrate impact with Red Team and Blue Team strategies
  • A practical guide that will give you hands-on experience to mitigate risks and prevent attackers from infiltrating your system

Description

The book will start talking about the security posture before moving to Red Team tactics, where you will learn the basic syntax for the Windows and Linux tools that are commonly used to perform the necessary operations. You will also gain hands-on experience of using new Red Team techniques with powerful tools such as python and PowerShell, which will enable you to discover vulnerabilities in your system and how to exploit them. Moving on, you will learn how a system is usually compromised by adversaries, and how they hack user's identity, and the various tools used by the Red Team to find vulnerabilities in a system. In the next section, you will learn about the defense strategies followed by the Blue Team to enhance the overall security of a system. You will also learn about an in-depth strategy to ensure that there are security controls in each network layer, and how you can carry out the recovery process of a compromised system. Finally, you will learn how to create a vulnerability management strategy and the different techniques for manual log analysis.

Who is this book for?

This book aims at IT professional who want to venture the IT security domain. IT pentester, Security consultants, and ethical hackers will also find this course useful. Prior knowledge of penetration testing would be beneficial.

What you will learn

  • Learn the importance of having a solid foundation for your security posture
  • Understand the attack strategy using cyber security kill chain
  • Learn how to enhance your defense strategy by improving your security policies, hardening your network, implementing active sensors, and leveraging threat intelligence
  • Learn how to perform an incident investigation
  • Get an in-depth understanding of the recovery process
  • Understand continuous security monitoring and how to implement a vulnerability management strategy
  • Learn how to perform log analysis to identify suspicious activities
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Table of Contents

17 Chapters
Security Posture Chevron down icon Chevron up icon
Incident Response Process Chevron down icon Chevron up icon
Understanding the Cybersecurity Kill Chain Chevron down icon Chevron up icon
Reconnaissance Chevron down icon Chevron up icon
Compromising the System Chevron down icon Chevron up icon
Chasing a User's Identity Chevron down icon Chevron up icon
Lateral Movement Chevron down icon Chevron up icon
Privilege Escalation Chevron down icon Chevron up icon
Security Policy Chevron down icon Chevron up icon
Network Segmentation Chevron down icon Chevron up icon
Active Sensors Chevron down icon Chevron up icon
Threat Intelligence Chevron down icon Chevron up icon
Investigating an Incident Chevron down icon Chevron up icon
Recovery Process Chevron down icon Chevron up icon
Vulnerability Management Chevron down icon Chevron up icon
Log Analysis Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

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Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.7
(33 Ratings)
5 star 81.8%
4 star 12.1%
3 star 0%
2 star 3%
1 star 3%
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Leyla Aliyeva May 18, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
In the last days of my research on a special topic on cybersecurity, I have discovered a book which was published just in January in 2018. The book title is "Cybersecurity Attack and Defense Strategies" by Erdal Ozkaya and Yuri Diogenes. This book talks about cybersecurity threats, attacks, incident respnse procedure, gives detailed information about attack scenarios and each stage of attacks, and also covers security policy topics. On the other hand, the technical language of the book is very understandable with full of examples and good structure. This book was very useful for my research and punlishing my paper and will be very helpful to pass my international certificate exam on Incident Response. I recommend this book to all incident responders, penetration testers, network and system security engineers and others who are interested in deep technical topics on cyber security, or willing to start their career in this field.
Amazon Verified review Amazon
Trinity Jul 04, 2019
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Good for enhancing your knowledge if you’re in the security industry.
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JeremyC May 18, 2019
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Once I picked the book up, I could barely put it down. It really is a highly readable cyber reference for beginners and intermediate level technology professionals. I find it to be an excellent introduction to several aspects of cybersecurity. The authors provide many helpful diagrams and explain what is going on in simple structured terms. I particularly enjoyed the red/blue contrasts for every use case. Its usually quite easy to find out about defensive postures, but to see so many attack strategies laid out in such a systematic way is quite refreshing.
Amazon Verified review Amazon
Hmsc Nov 26, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I found this to be a very good book on Cybersecurity. This book is very readable and one that I will likely refer back to often. The authors provide excellent resources, tools and websites to refer to for further study.
Amazon Verified review Amazon
armando Aug 18, 2018
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Excellent book 100%
Amazon Verified review Amazon
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