—Web-based systems commonly face unique set of vulnerabilities and security threats due to their high exposure, access by browsers, and integration with databases. In this paper ...
Abstract. The frameworks for protecting security and privacy can be effective only if common users--with no training in computer science or logic--increase their awareness and cont...
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
This paper deals with a joint use of a trust evaluation approach and access control mechanisms for improving security in Web-usage. Trust evaluation is achieved by means of both be...
Luiz Fernando Rust C. Carmo, Breno G. de Oliveira,...
We introduce an open labeling platform for Computer Vision researchers based on Captchas, creating as a byproduct labeled image data sets while supporting web security. For the tw...
Peter Faymonville, Kai Wang, John Miller, Serge J....