Freedom of the press was a concept whereby members of the newsmedia had the right to report on the news.
In 2374, upon learning that Weyoun 5 had withheld his reports on the Dominion War, Jake Sisko asked the Vorta, "What about freedom of the press?", to which Weyoun replied, "Please tell me you're not that naive." (DS9: "A Time to Stand")