WHAT do you call powerful information that contributes to foolproof career success but is ignored by two out of three candidates for well-remunerated managerial and executive positions?

In the talent management sector, the discussion of confidential data is generally referred to as "feedback" and at a few professional executive search companies it's available to any candidate who has engaged in an assessment process to establish the closeness (or otherwise) of the job fit and to determine individual strengths and weaknesses.