Moving Target Defense (IMAGE) U.S. Army Research Laboratory Caption With moving target defense, uncertainty is increased and confuses the adversary, who has to expend more resources, such as time and/or computational power, to discover vulnerabilities of a target system. Credit (U.S. Army Illustration) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.