With the increased awareness of national security concerns associated with unauthorized disclosure of State secrets, the legal protection of State secrets on national security grounds has assumed renewed significance, while raising ever growing concerns about its impact on freedom of information. Between these competing policy concerns lies a discrete area of law that defines and protects State secrets from unauthorized communication or disclosure. This article aims to ascertain the actual State practice concerning State secrets protection on national security grounds across different countries, and examines common challenges to the delimitation of national security grounds for State secrets protection in light of the changing national security environment.
