In this part:

(1) Agency
The term "agency" has the meaning given it in section 551 of title 5.

(2) Covered Federal agency
The term "covered Federal agency" means the Department of Homeland Security.

(3) Critical infrastructure information
The term "critical infrastructure information" means information not customarily in the public domain and related to the security of critical infrastructure or protected systems—

(A) actual, potential, or threatened interference with, attack on, compromise of, or incapacitation of critical infrastructure or protected systems by either physical or computer-based attack or other similar conduct (including the misuse of or unauthorized access to all types of communications and data transmission systems) that violates Federal, State, or local law, harms interstate commerce of the United States, or threatens public health or safety;

(B) the ability of any critical infrastructure or protected system to resist such interference, compromise, or incapacitation, including any planned or past assessment, projection, or estimate of the vulnerability of critical infrastructure or a protected system, including security testing, risk evaluation thereto, risk management planning, or risk audit; or

(C) any planned or past operational problem or solution regarding critical infrastructure or protected systems, including repair, recovery, reconstruction, insurance, or continuity, to the extent it is related to such interference, compromise, or incapacitation.

(4) Critical infrastructure protection program
The term "critical infrastructure protection program" means any component or bureau of a covered Federal agency that has been designated by the President or any agency head to receive critical infrastructure information.

(5) Information Sharing and Analysis Organization
The term "Information Sharing and Analysis Organization" means any formal or informal entity or collaboration created or employed by public or private sector organizations, for purposes of—

(A) gathering and analyzing critical infrastructure information, including information related to cybersecurity risks and incidents, in order to better understand security problems and interdependencies related to critical infrastructure, including cybersecurity risks and incidents, and protected systems, so as to ensure the availability, integrity, and reliability thereof;

(B) communicating or disclosing critical infrastructure information, including cybersecurity risks and incidents, to help prevent, detect, mitigate, or recover from the effects of a ¹ interference, compromise, or a ² incapacitation problem related to critical infrastructure, including cybersecurity risks and incidents, or protected systems; and

(C) voluntarily disseminating critical infrastructure information, including cybersecurity risks and incidents, to its members, State, local, and Federal Governments, or any other entities that may be of assistance in carrying out the purposes specified in subparagraphs (A) and (B).

(6) Protected system
The term "protected system"—

(A) means any service, physical or computer-based system, process, or procedure that directly or indirectly affects the viability of a facility of critical infrastructure; and

(B) includes any physical or computer-based system, including a computer, computer system, computer or communications network, or any component hardware or element thereof, software program, processing instructions, or information or data in transmission or storage therein, irrespective of the medium of transmission or storage.

(7) Voluntary

(A) In general
The term "voluntary", in the case of any submittal of critical infrastructure information to a covered Federal agency, means the submittal thereof in the absence of such agency's exercise of legal authority to compel access to or submission of such information and may be accomplished by a single entity or an Information Sharing and Analysis Organization on behalf of itself or its members.

(B) Exclusions
The term "voluntary"—

(i) in the case of any action brought under the securities laws as is defined in section 78c(a)(47) of title 15—

(I) does not include information or statements contained in any documents or materials filed with the Securities and Exchange Commission, or with Federal banking regulators, pursuant to section 78l(i) of title 15; and

(II) with respect to the submittal of critical infrastructure information, does not include any disclosure or writing that when made accompanied the solicitation of an offer or a sale of securities; and

(ii) does not include information or statements submitted or relied upon as a basis for making licensing or permitting determinations, or during regulatory proceedings.

(8) Cybersecurity risk; incident
The terms "cybersecurity risk" and "incident" have the meanings given those terms in section 659 of this title.