What are the different types of threat intelligence sources?

What are the different types of threat intelligence sources and how can they be used effectively?

Cyber Threat Intelligence is mainly categorized as strategic, tactical, technical, and operational.
Strategic Threat Intelligence. Strategic threat intelligence provides an overview of the organization's threat landscape.
Tactical Threat Intelligence.
Technical Threat Intelligence.
Operational Threat Intelligence.

Types of cyber threat intelligence are as follow:

• Strategic: Strategic threat intelligence typically provides a high-level analysis ideal for a non-technical audience, such as stakeholders, board members, news and media, etc. The goal of strategic threat intelligence is to comprehend and consider broader trends among threats.
• Tactical: Tactical threat intelligence highlights indicators of compromise (IOCs), such as unusual traffic, increased or unusual file and download activity, unusual login activity, etc.
• Technical: Technical threat intelligence focuses on specific clues or evidence of an attack and creates a base to analyze such attacks.
• Operational: Operational threat intelligence refers to more specific, detailed technical information about specific cyberattacks.