Multidimensional events generated by adaptive human agents

Given multivariate, multidimensional events generated by adaptive human agents, perhaps it would not be too far a stretch to claim that no two events are precisely the same. Given the absence of actuarial data, what can a poor security architect do?

Answer the question with a short paragraph, with a minimum of 300 words. Count the words only in the body of your response, not the references. APA formatting but do not include a title page, abstract or table of contents. Body and references only in your post