# Preface Please Don't Forget to Hit ⭐ This book is written for people who want to understand the basics, keynotes regarding Cyber Threat Intelligence, Risk Analysis, Tools and Frameworks, and also for security researchers who want to get started in the field of CTI/ Threat Intel. It also includes various Practice Labs which might be helpful to understand the semi-theoritical concepts better. Note - This book is under process and will be completed/updated regularly as well, as and when I come cross something which needs updation. Topics in each cover all important concepts. It is assumed that the reader is unfamiliar with this topic. For experienced readers, this text might be good for a quick revision. The source code for the book can be found on [GitHub](https://github.com/NucleiAv/CTIHandbook). The canonical URL for the book is [here](https://nuclei-av.gitbook.io/cyber-threat-intelligence). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://nuclei-av.gitbook.io/cyber-threat-intelligence/readme.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.