classified

The exact cause of death was “best classified as undetermined.”

Officials also worry that confidential information could leak — not only taxpayers’ personal details, but classified data about intelligence or defense programs.

In a copy of the email obtained by the BBC, employees were asked to respond explaining their accomplishments from the past week in five bullet points - without disclosing classified information.

We asked for NATO's figures, but they said they were classified.

"We're being a little more surgical in situations where people are doing classified stuff."