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Cybersecurity – Attack and Defense Strategies

Cybersecurity – Attack and Defense Strategies - Second Edition

By : Yuri Diogenes, Dr. Erdal Ozkaya
4.6 (24)
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Cybersecurity – Attack and Defense Strategies

Cybersecurity – Attack and Defense Strategies

4.6 (24)
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)
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18
Other Books You May Enjoy
19
Index

Investigating a compromised system on-premises

For the first scenario, we will use a machine that got compromised after the end user opened a phishing email that looks like following:

Figure 6: Real example of a phishing email that was able to compromise a system

This end user was located in the Brazilian branch office, hence the email is in Portuguese. The content of this email is a bit concerning, since it talks about an ongoing law process, and the user was curious to see if he really had anything to do with it. After poking around within the email, he noticed that nothing was happening when he tried to download the email's attachment. He decided to ignore it and continued working. A couple of days later, he received an automated report from IT saying that he accessed a suspicious site and he should call support to follow up on this ticket.

He called support and explained that the only suspicious activity that he remembers was to open an odd email, he then presented...

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