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
Other Books You May Enjoy
19
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. One way to improve this system would be to reduce the noise and number of false positives that are detected. 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. This is because if triage fails at this level, the operation will also fail, and in this case, the operation will be handled by the...