Security issues in cross-border electronic authentication [documento electrónico] / Dirk Hartmann, Stephan Körting
Handbook of information and communication security / ed. Peter Stavroulakis, Mark Stamp
Portugal country report [documento electrónico] / European Network and Information Security Agency
Cybercrimes : a multidisciplinary analysis / ed. Sumit Ghosh, Elliot Turrini
Cyberforensics: understanding information security investigations / ed. Jennifer Bayuk; forward by Amit Yoran