Terrorism/ Criminal Activity Indicators

Defined Criminal Activity and Potential Terrorism Nexus Activities

Breach/Attempted Intrusion: Unauthorized personnel attempting to enter or actually entering a restricted area, secured protected site, or nonpublic area. Impersonation of authorized personnel (e.g., police/security officers, janitor, or other personnel).

Misrepresentation: Presenting false information or misusing insignia, documents, and/or identification to misrepresent one's affiliation as a means of concealing possible illegal activity.

Theft/Loss/Diversion: Stealing or diverting something associated with a facility/infrastructure or secured protected site (e.g., badges, uniforms, identification, emergency vehicles, technology, or documents {classified or unclassified}), which are proprietary to the facility/infrastructure or secured protected site.

Sabotage/Tampering/Vandalism: Damaging, manipulating, defacing, or destroying part of a facility/infrastructure or secured protected site.

Cyberattack: Compromising or attempting to compromise or disrupt an organization's information technology infrastructure.

Expressed or Implied Threat: Communicating a spoken or written threat to commit a crime that will result in death or bodily injury to another person or persons or to damage or compromise a facility/infrastructure or secured protected site.

Aviation Activity: Learning to operate, or operating an aircraft, or interfering with the operation of an aircraft in a manner that poses a threat of harm to people or property and that would arouse suspicion of terrorism or other criminality in a reasonable person. Such activity may or may not be a violation of Federal Aviation Regulations.

Eliciting Information: Questioning individuals or otherwise soliciting information at a level beyond mere curiosity about a public or private event or particular facets of a facility's or building's purpose, operations, security procedures, etc., in a manner that would arouse suspicion of terrorism or other criminality in a reasonable person.

Testing or Probing of Security: Deliberate interactions with, or challenges to, installations, personnel, or systems that reveal physical, personnel, or cybersecurity capabilities in a manner that would arouse suspicion of terrorism or other criminality in a reasonable person.

Recruiting/Financing: Providing direct financial support to operations teams and contacts or building operations teams and contacts; compiling personnel data, banking data, or travel data in a manner that would arouse suspicion of terrorism or other criminality in a reasonable person.

Photography: Taking pictures or video of persons, facilities, buildings, or infrastructure in an unusual or surreptitious manner that would arouse suspicion of terrorism or other criminality in a reasonable person. Examples include taking pictures or video of infrequently used access points, the superstructure of a bridge, personnel performing security functions (e.g., patrols, badge/vehicle checking), security-related equipment (e.g., perimeter fencing, security cameras), etc.

Observation/Surveillance: Demonstrating unusual or prolonged interest in facilities, buildings, or infrastructure beyond mere casual (e.g., tourists) or professional (e.g., engineers) interest and in a manner that would arouse suspicion of terrorism or other criminality in a reasonable person. Examples include observation through binoculars, taking notes, attempting to mark off or measure distances, etc.

Materials Acquisition/Storage: Acquisition and/or storage of unusual quantities of materials such as cell phones, pagers, radio control toy servos or controllers; fuel, chemicals, or toxic materials; and timers or other triggering devices, in a manner that would arouse suspicion of terrorism or other criminality in a reasonable person.

Acquisition of Expertise: Attempts to obtain or conduct training or otherwise obtain knowledge or skills in security concepts, military weapons or tactics, or other unusual capabilities in a manner that would arouse suspicion of terrorism or other criminality in a reasonable person.

Weapons Collection/Discovery: Collection or discovery of unusual amounts or types of weapons, including explosives, chemicals, and other destructive materials, or evidence, detonations or other residue, wounds, or chemical burns, that would arouse suspicion of terrorism or other criminality in a reasonable person.

Sector-Specific Incident: Actions associated with a characteristic of unique concern to specific sectors (e.g., the public health sector), with regard to their personnel, facilities, systems, or functions in a manner that would arouse suspicion of terrorism or other criminality in a reasonable person.