Piracy is a persistent headache for software companies that try to protect their assets by investing both time and money. Program code obfuscation as a sub-field of software protection is a mechanism widely used toward this direction. However, effectively protecting a program against reverse-engineering and tampering turned out to be a highly non-trivial task that still is subject to ongoing re...

Social Bookmarking (SBM) is one of the most widely used Web services. An SBM website displays and shares each user’s bookmarks. The SBM service aggregates the number of users who bookmark a given Web page and provides useful information as a result of these aggregations. However, an increase in the popularity of the SBM service and in the number of the users of the SBM service results in an inc...

Conventional techniques for combating phishing have focused primarily on detecting phishing web sites and preventing users from revealing their passwords to such sites. This passive form of defense is by its nature incomplete and does nothing to protect users that do reveal their passwords. Combating the phishing threat requires more than simple avoidance—it requires a more active approach to d...

1 Department of Diabetology & Endocrinology, Kanazawa Medical University, Kahoku, Ishikawa 920-0293, Japan 2Department of Medicine and Clinical Science, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan 3Department of Nephrology, Nizams Institute of Medical Sciences, Hyderabad, Andhra Pradesh 500034, India 4 Renal Transplant Unit, Department of Nephrology and Renal T...

The underlying structural causes of state weakness in sub-Saharan Africa – relatively low population densities, problematic population distribution and poor infrastructure will remain ubiquitous through 2015 and beyond, impeding the prospects of significant gains in broad based institution building and development. Much will depend upon two external drivers of development and growth – foreign d...