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Microsoft Sentinel in Action

Microsoft Sentinel in Action

By : Richard Diver, Gary Bushey
4.7 (3)
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Microsoft Sentinel in Action

Microsoft Sentinel in Action

4.7 (3)
By: Richard Diver, Gary Bushey

Overview of this book

Microsoft Sentinel is a security information and event management (SIEM) tool developed by Microsoft that helps you integrate cloud security and artificial intelligence (AI). This book will teach you how to implement Microsoft Sentinel and understand how it can help detect security incidents in your environment with integrated AI, threat analysis, and built-in and community-driven logic. The first part of this book will introduce you to Microsoft Sentinel and Log Analytics, then move on to understanding data collection and management, as well as how to create effective Microsoft Sentinel queries to detect anomalous behaviors and activity patterns. The next part will focus on useful features, such as entity behavior analytics and Microsoft Sentinel playbooks, along with exploring the new bi-directional connector for ServiceNow. In the next part, you’ll be learning how to develop solutions that automate responses needed to handle security incidents and find out more about the latest developments in security, techniques to enhance your cloud security architecture, and explore how you can contribute to the security community. By the end of this book, you’ll have learned how to implement Microsoft Sentinel to fit your needs and protect your environment from cyber threats and other security issues.
Table of Contents (23 chapters)
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1
Section 1: Design and Implementation
4
Section 2: Data Connectors, Management, and Queries
9
Section 3: Security Threat Hunting
15
Section 4: Integration and Automation
18
Section 5: Operational Guidance

String operators

String and numeric operators are used in the comparisons of a where clause. We have already seen ==, which is a string equals operator. As we stated earlier, this is a case-sensitive operator, meaning that ABC == ABC is true but ABC == abc is false.

Note

You may need to carry out a case-insensitive comparison using =~. In this case, ABC =~ abc returns true. While there are commands to change text to uppercase or lowercase, it is good practice to not do that just for a comparison but rather do a case-insensitive comparison.

Some other string operators that can be used are as follows:

Table 5.2

In addition, by placing ! in front of any command, that command is negated. For example, !contains means does not contain and !in means not in.

For a complete list of operators, go to https://docs.microsoft.com/en-us/azure/data-explorer/kusto/query/datatypes-string-operators.

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