Foreign intelligence information — Law Dictionary

50 U.S.C. § 1801 — as used in this subchapter (3 versions over time)

“Foreign intelligence information” means—

(1) information that relates to, and if concerning a United States person is necessary to, the ability of the United States to protect against—

(A) actual or potential attack or other grave hostile acts of a foreign power or an agent of a foreign power;

(B) sabotage, international terrorism, or the international proliferation of weapons of mass destruction by a foreign power or an agent of a foreign power;

(C) clandestine intelligence activities by an intelligence service or network of a foreign power or by an agent of a foreign power; or

(D) international production, distribution, or financing of illicit synthetic drugs, opioids, cocaine, or other drugs driving overdose deaths, or precursors of any aforementioned; or

(2) information with respect to a foreign power or foreign territory that relates to, and if concerning a United States person is necessary to—

(A) the national defense or the security of the United States; or

(B) the conduct of the foreign affairs of the United States.

50 U.S.C. § 403 — in this section

In this section, the term “foreign intelligence information” means—

(A) information, whether or not concerning a United States person, that relates to the ability of the United States to protect against—

(i) actual or potential attack or other grave hostile acts of a foreign power or an agent of a foreign power;

(ii) sabotage or international terrorism by a foreign power or an agent of a foreign power; or

(iii) clandestine intelligence activities by an intelligence service or network of a foreign power or by an agent of a foreign power; or

(B) information, whether or not concerning a United States person, with respect to a foreign power or foreign territory that relates to—

(i) the national defense or the security of the United States; or

(ii) the conduct of the foreign affairs of the United States.

50 U.S.C. § 1881 — in this subchapter (3 versions over time)

In this subchapter, the terms “agent of a foreign power”, “Attorney General”, “contents”, “electronic surveillance”, “foreign intelligence information”, “foreign power”, “person”, “United States”, and “United States person” have the meanings given such terms in section 1801 of this title, except as specifically provided in this subchapter.

50 U.S.C. § 3365 — in this section

In this section, the term "foreign intelligence information" means—