One of the legacies of Edward Snowden’s treason is that companies are now concerned about the insider threat more than they ever were before. While technology should have caught Snowden, there is also the realization that his coworkers and managers should have noticed indications of unusual activities. The question then becomes how do you train employees to tactfully recognize the signs of a malicious insider, without creating widespread distrust within an organization. The focus of your guidance should be telling employees to look for behaviors that are clear violations of policies and procedures.”]
Source: https://www.computerworld.com/article/2488234/how-to-create-awareness-of-the-insider-threat.html