About 90% of intelligence information is gathered from open sources.
Open sources refer to the pieces of information that are available to the public.
In the dealings of the United States with the Soviet Union, it has been found that about 90% of information that was gotten from this adversary was gotten from the military databases that were available to the public.
So, open sources are a prominent way in which intelligence can be gathered.
Learn more about open sources here:
https://brainly.com/question/4593389
