information security
(d) Law Enforcement, Intelligence, and Other Government Activities .— This section does not prohibit any lawfully authorized investigative, protective, information security, or intelligence activity of an officer, agent, or employee of the United States, a State, or a political subdivision of a State, or a person acting pursuant to a contract with the United States, a State, or a political subdivision of a State. For purposes of this subsection, the term “information security” means activities carried out in order to identify and address the vulnerabilities of a government computer, computer system, or computer network.