%0 Journal Article %T A ciberguerra como nova dimens£¿o dos conflitos do s¨¦culo xxi %A Fernandes %A Jos¨¦ Pedro Teixeira %J Rela£¿£¿es Internacionais (R:I) %D 2012 %I Universidade Nova de Lisboa %X the author discusses the progressive transformation of the cyberspace into one more battleground for international conflicts. the article begins with an analysis of the concept of cyber war, and a discussion about the difficulties of establishing a rigorous conceptualisation within the framework of the law of armed conflict/international humanitarian law. then, the capabilities and vulnerabilities of great powers are also object of analysis, and the complex role of non-state actors in cyber conflicts. the article ends with a discussion about the difficulty of assessing the economic impact of cyber attacks. %K cyberwar %K security %K international humanitarian law %K non-state actors. %U http://www.scielo.gpeari.mctes.pt/scielo.php?script=sci_abstract&pid=S1645-91992012000100005&lng=en&nrm=iso&tlng=en