Similar to 国家秘密に係るスパイ行為等の防止に関する法律案

Counterintelligence Corps

Church Committee

Dead drop

Federal Criminal Police Office (Germany)

Federal Office for the Protection of the Constitution

FBI National Security Branch

Federal Security Service

Freedom of the press

Freedom of speech

4chan

8chan

Action for Children's Television

Stop Online Piracy Act

First Amendment to the United States Constitution

Book banning in the United States (2021–present)

Reactions to Innocence of Muslims

The Uncensored Library

Marketplace of ideas