Any officer or employee of the United States, and any former officer or employee of the United States, who by reason of such employment or official position has obtained possession of, or has access to, information the disclosure or other provision of which is prohibited by subsection (a), and who, knowing that disclosure or provision of such information is prohibited by such subsection, willfully discloses or otherwise provides the information in any manner to any person (including any person located outside the territory of the United States) not authorized to receive it, shall be fined under title 18 or imprisoned for not more than five years, or both.