What guidelines exist for sharing classified information with foreign governments?

Sharing classified information with foreign governments is governed by strict guidelines that ensure compliance with national security laws and regulations. The correct answer indicates that sharing must be done under formal agreements. This approach typically involves established treaties or memorandums of understanding that delineate the terms and conditions under which information can be shared. Such formal arrangements help to ensure that both parties are equally committed to protecting sensitive information and handling it appropriately.

Furthermore, compliance with security regulations is crucial to ensure that the classified nature of the data is preserved and that all necessary security measures are in place. This means that sharing is not done lightly or informally, but rather, it is a structured process that involves clear protocols to mitigate risks related to espionage or unauthorized disclosure. These guidelines aim to maintain trust and accountability between nations while safeguarding national security interests.