In this paper, we propose a formal notion of network security for ad hoc networks. We adopt a probabilistic security framework, that is, security is defined by a polynomially bou...
A CAPTCHA is a program that generates challenges that are easy to solve for humans but difficult to solve for computers. The most common CAPTCHAs today are text-based ones where a ...
Paul Baecher, Marc Fischlin, Lior Gordon, Robert L...
Biometrics systems are automated systems that recognize a person based on physical or behavioral characteristics. There are a number of primary biometric disciplines including fin...
With the rapid growth of the Internet, online voting appears to be a reasonable alternative to conventional elections and other opinion expressing processes. Current research focu...
Costas Lambrinoudakis, Spyros Kokolakis, Maria Kar...
With the present trend towards increased reliance upon computer systems, the provision and prompt application of security patches is becoming vital. Developers of all operating sy...