The Open Source Information System (OSIS) is the Office of the Director of National Intelligence (ODNI) SBU/FOUO/LES network for cross-community collaboration and sharing of intelligence and terrorism information with partners within the Intelligence, Department of Defense, Homeland Security, Law Enforcement, and Diplomatic Communities.

OSIS is the accredited global DNI network managed by the DNI-CIO / Intelink Management Office (IMO).