Threat intelligence is a category of intelligence that focuses on information security. As defined by Gartner, it is evidence-based knowledgeabout an existing or emerging menace or hazard There are generally three levels of cyber threat intelligence: strategic, operational and tactical, which serve different functions. The combination of these different levels of threat intelligence give security teams the ability to know how to proactively and reactively respond to risks. This includes what solutions to use, how they should be leveraged, and who to keep an eye on.”]
Source: https://informationsecuritybuzz.com/articles/what-is-strategic-threat-intelligence/