Book Image

Cybersecurity - Attack and Defense Strategies

By : Yuri Diogenes, Dr. Erdal Ozkaya
Book Image

Cybersecurity - Attack and Defense Strategies

By: Yuri Diogenes, Dr. Erdal Ozkaya

Overview of this book

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.
Table of Contents (22 chapters)
Title Page
Packt Upsell
Contributors
Preface
Index

Introduction to threat intelligence


It was clear in the last chapter that having a strong detection system is imperative for your organization's security posture. However, this system can be improved if the number of false positives and noise can be reduced. One of the main challenges that you face when you have many alerts and logs to review is that you end up randomly prioritizing, and in some cases even ignoring, future alerts because you believe it is not worth reviewing them. According to Microsoft's Lean on the Machine report, an average large organization has to look through 17,000 malware alerts each week, taking on average 99 days for an organization to discover a security breach.

Alert triage usually happens at the network operations center (NOC) level, and delays to triage can lead to a domino effect, because if triage fails at this level, the operation will also fail, and in this case, the operation will be handled by the incident response team.

Let's step back and think about...