Volume 6, Number 1, 2011 ISSN 1809-9807 The International Journal of FORENSIC COMPUTER SCIENCE IJoFCS www.IJoFCS.org Volume 6, Number 1, 2011 Brasília, DF - Brazil Copyright © by The International Journal of Forensic Computer Science (IJoFCS) ISSN 1809-9807 Cover: Cláudio Miranda de Andrade SUBSCRIPTION OFFICE The International Journal of Forensic Computer Science (IJoFCS) BRAZILIAN ASSOCIATION OF HIGH TECHNOLOGY EXPERTS (ABEAT) Associação Brasileira de Especialistas em Alta Tecnologia (ABEAT) www.abeat.org.br Address: SCLN 309, Bloco D, Sala 103 - CEP: 70755-540, Brasília/DF, BRAZIL Phone: +55 61 3202-3006 Web site: www.IJoFCS.org E-mail:
[email protected] The International Journal of Forensic Computer Science - V. 6, N. 1 (2011) - Brazil Brazilian Association of High Technology Experts (ABEAT) - Brasilia, Brazil ISSN 1809-9807 1. Forensic Computer Science CDD 005.8 The Journal was founded in 2006. The International Journal of FORENSIC COMPUTER SCIENCE Editor-in-Chief Paulo Quintiliano da Silva Brazilian Federal Police and University of Brasília, Brazil Associate Editor Associate Editor Associate Editor Francisco Assis de O. Nascimento Alexandre Ricardo S. Romariz Pedro de Azevedo Berguer University of Brasilia, Brazil University of Brasilia, Brazil University of Brasilia, Brazil Editorial Board Adriano Mauro Cansian Geovany Araujo Borges São Paulo State University University of Brasilia Olga Regina Pereira Bellon São José do Rio Preto, Brazil Brasília, Brazil Federal University of Parana Curitiba, Brazil Alexandre Ricardo Soares Romariz Gerhard Ritter University of Brasilia University of Florida Ovidio Salvetti Brasilia, Brazil Gainesville, FL, USA Italian National Research Council Pisa, Italy Anderson Clayton Alves Nascimento Hélvio Pereira Peixoto University of Brasilia Brazilian Federal Police Paulo Licio de Geus Brasilia, Brazil Brasilia, Brazil University of Campinas Campinas, Brazil Antonio Montes Filho Igor B.