Open-source intelligence (OSINT) are gathered from open sources. OSINT can be further segmented by the source type: Internet/General, Scientific/Technical, and various HUMINT specialties, e.g. trade shows, association meetings, and interviews.

There are five main ways of collecting intelligence that are often referred to as "intelligence collection disciplines" or the "INTs." Human Intelligence (HUMINT) is the collection of information from human sources.

Types of Intelligence. The intelligence cycle is a process of collecting information and developing it into intelligence for use by IC customers. The steps in the process are direction, collection, processing, exploitation, and dissemination.

The diverse types of military intelligence play a critical role in ensuring national security and successful military operations. Each type, from strategic to tactical, contributes uniquely to the overarching intelligence framework.