The phrase "security documents" is correct and can be used in written English.
You can use this phrase when referring to documents, such as contracts, that guarantee the security of something. For example, "The company provided their clients with the necessary security documents before signing the agreement."
He is also accused of ordering an employee to dispose of thousands of pages of security documents from the mine.
Another scandal, involving missing security documents, led to the resignation of two ministers, including the deputy prime minister, Narcís Serra.
Mr. Snowden, who revealed on Sunday that he provided the recent leak of national security documents, is among them.
Ms. Leung was charged last month with copying national security documents for the purpose of giving them to China.
He says they did not have security documents, firearms, radios or other equipment in their hotel rooms on the night in question.
Mr. Smith has been charged with gross negligence in his handling of national security documents that officials say Ms. Leung copied and passed on to the Chinese government.
Federal prosecutors agreed to drop three other charges, including two counts of gross negligence in his handling of national security documents.
He is extremely private; he keeps the door of his office locked at all times, colleagues say, because of the national-security documents in his files.
"Citizenfour" (2014): In this global search mission, a treasonous American spying for Russia infiltrates the American intelligence community and steals a trove of classified national-security documents.
Nobody has come, some complain, to tell them where they are going and what they will get.With familiar communist paranoia, public-security documents give warning of foreign saboteurs of the Three Gorges dam, and of foreigners spreading "wind-carried leaflets".
It was also, he adds, predicated on a misunderstanding: The Archives do not contain many of the national-security documents that the Brotherhood, and the intellectuals, believed were there; almost all of them are held in the Ministry of Interior.
