Book Image

Cybersecurity – Attack and Defense Strategies. - Second Edition

By : Yuri Diogenes, Dr. Erdal Ozkaya
Book Image

Cybersecurity – Attack and Defense Strategies. - Second Edition

By: Yuri Diogenes, Dr. Erdal Ozkaya

Overview of this book

Cybersecurity – Attack and Defense Strategies, Second Edition is a completely revised new edition of the bestselling book, covering the very latest security threats and defense mechanisms including a detailed overview of Cloud Security Posture Management (CSPM) and an assessment of the current threat landscape, with additional focus on new IoT threats and cryptomining. Cybersecurity starts with the basics that organizations need to know to maintain a secure posture against outside threat and design a robust cybersecurity program. It takes you into the mindset of a Threat Actor to help you better understand the motivation and the steps of performing an actual attack – the Cybersecurity kill chain. You will gain hands-on experience in implementing cybersecurity using new techniques in reconnaissance and chasing a user’s identity that will enable you to discover how a system is compromised, and identify and then exploit the vulnerabilities in your own system. This book also focuses on defense strategies to enhance the security of a system. You will also discover in-depth tools, including Azure Sentinel, to ensure there are security controls in each network layer, and how to carry out the recovery process of a compromised system.
Table of Contents (20 chapters)
18
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19
Index

Proactive investigation (threat hunting)

Many organizations are already using the proactive threat detection via threat hunting. Sometimes members of the Blue Team will be selected to be threat hunters and their primary goal is to identify indications of attack (IoA) and indications of compromise (IoC) even before the system triggers a potential alert. This is extremely useful because it enables organization to be ahead of the curve by being proactive. The threat hunters will usually leverage the data located in the SIEM platform to start querying for evidences of compromise.

Microsoft Azure Sentinel has a dashboard dedicated to Threat Hunters, which is called the Hunting page, as shown in the following example:

Figure 18: The Hunting page, a Threat Hunters dashboard

As you can see on this dashboard, there are multiple built-in queries available for different scenarios. Each query is customized for a specific set of data sources, and is mapped to the MITRE ATT&CK framework...