A penetrating analysis of weaponized informationone of the most pressing dangers to open societiesNow more than ever communities across the world are integrated into a complex global information ecosystem that shapes the nature of social political and economic life. The ripple effects of actors trying to manipulate or disrupt this information ecosystem are far more severe than the primary effects that are merely being felt in the information space. In fact the weaponization of narratives has already shown its potential to transform the character of conflict in the twentyfirst century.Subversion examines how malicious state and nonstate actors take advantage of the information space to sow political chaos.