Which activity involves disseminating insider threat vigilance materials?

The activity of disseminating insider threat vigilance materials is best encapsulated in the context of training and exercising the workforce. This process involves educating employees about recognizing and reporting potential insider threats, which is essential in fostering a culture of security awareness within an organization.

Training sessions may include workshops, seminars, and the distribution of materials that highlight the risks involved with insider threats, the signs to watch for, and the procedures for reporting suspicious behavior. By actively engaging employees in the learning process, organizations strengthen their defense against potential insider threats and encourage vigilance in safeguarding sensitive information.

The other options focus on different aspects of the insider threat program. Monitoring involves observing and tracking activities to identify potential threats, while detection pertains to identifying and confirming incidents that have occurred. Reporting signifies the communication of known threats, but it doesn't specifically encompass the preventive aspect offered by training and awareness dissemination. Hence, the training and exercising of the workforce is the most relevant activity related to disseminating insider threat vigilance materials.