
Threat intelligence, is also known as cyber threat intelligence, it is an evidence-based knowledge, which includes context, indicators, mechanisms, and actionable advice, about an existing danger to assets. It provides refine information about potential or current attacks that threaten an organization. The purpose of the threat intelligence security is to help the organization to understand the risk of the most common and severe external threat such as zero-day threats, advance persistent threats and exploits. With the advancements in cloud, Big Data analytics and the Bring Your Own Device (BYOD) model, the threat intelligence paradigm has shifted to the next-generation network security system.