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The increase in security breaches and attacks in the last two decades indicates that the traditional security defense methods are falling short. The sophistication of attacks – such as the Advanced Persistent Threats (APTs) – leaves organizations with more worries despite the heavy investment in security tools, which often work in silos. The lack of analytics skills, the struggle to incorporate security into processes, and the gap in structured security analytics are the main concern in the fight against augmented cyber threats. Cyber Threat Intelligence (CTI) is a collaborative security program that uses advanced analysis of data collected from several sources (internal and external) to discover, detect, deny, disrupt, degrade, deceive, or destroy adversaries’ activities. Because it is actionable and encourages information sharing between community members, individuals, and so on, it is becoming the de facto method to fight against APTs. However, many organizations are still struggling to embrace and integrate CTI in their existing security solutions and extract value from it. This book, Mastering Cyber Intelligence, provides the knowledge required to dive into the CTI world. It equips you with the theoretical and practical skills to conduct a threat intelligence program from planning to dissemination and feedback processing. It details strategies you can use to integrate CTI into an organization’s security stack from the ground up, allowing you to effectively deal with cyber threats. Through step-by-step explanations and examples, you learn how to position CTI in the organization strategy and plan, and set objectives for your CTI program, collect the appropriate data for your program, process and format the collected data, perform threat modeling and conduct threat analysis, and share intelligence output internally (with the strategic, tactical, and operational security teams) and externally (with the community). By the end of the book, you will master CTI and be confident to help organizations implement it to protect revenue, assets, and sensitive information (and data).