insiders
n. countablen. people who belong to a specific group or organization and have special knowledge that others do not. They often have access to secrets or private information.
n. people who possess privileged information or access regarding a specific group, organization, or situation. Often used in plural to describe a collective with internal knowledge unavailable to the general public.
Insiders say the company will launch a new phone soon.
Political insiders suggested that the senator was planning to retire long before the official announcement was made.
The investigation relied on testimony from industry insiders who were willing to expose the systemic corruption that had been hidden from regulators for decades.
Commonly used in the plural; often followed by 'say' or 'claim' when reporting leaked information.