A quantitative analysis of current security concerns and solutions for cloud computing - Carvalho, Tereza Cristina Melo de Brito; Gonzalez, Nelson Mimura; Miers, Charles Christian; Redígolo, Fernando Frota; Simplicio Junior, Marcos Antonio; Naslund, Mats; Pourzandi, Makan (Journal of Cloud Computing: Advances, Systems and Applications, 2012)