In this Article, I consider the scope of this right to informational privacy relative to our interests in security and argue, in particular, that the right to privacy must yield to these interests in the case of a direct conflict. I offer arguments from a number of different perspectives. I will, for example, begin with a case directly rooted in what I take to be ordinary case intuitions and then continue with an argument grounded in the distinction between intrinsic and instrumental value, which is thought to serve as a rough mark between what is important from a moral point of view and what is important from other points of view; though there can, obviously, be means to moral ends that will have moral significance in virtue of their relat...