Information assurance, as an emerging organizational function, has come to play a strategic role by providing, enterprise-wide, a reliable, safe, and efficient access to information. Aligning information assurance strategy and business strategy has, therefore, become a strategic imperative. This study empirically addressed this alignment concern by exploring ways of measuring the concept of fit between business and information assurance strategies and by investigating the effects of this alignment on business performance. Both research hypotheses were empirically supported by the study’s data, thereby verifying the theoretical proposition of performance impacts of information assurance strategic alignment and testing the concept of fit in favor of the moderation approach.