In this position paper, we present a new mechanism for contextdependent user
authentication. We propose an approach in which the type of authentication (single/two …

In this paper we discuss the possibilities of context-aware systems in providing more secure
user authentication. We describe some approaches in using context information in adaptive …

We present an extensible context-aware authentication framework which can adapt to the
contextual information available in a smart environment. Having confidence in a user's …

We introduce context-aware scalable authentication (CASA) as a way of balancing security
and usability for authentication. Our core idea is to choose an appropriate form of active …

We exploit the ability to sense and use context information to augment or replace the
traditional static security measures by making them more adaptable to a given context and …

In recent years, with growing demands towards big data application, various research on
context-awareness has once again become active. This paper proposes a new type of …

In mobile computing applications the traditional name-based concept of identity is both
difficult to support and frequently inappropriate. The natural alternative is to use the context …

We investigate the practical feasibility of using context information for controlling access to
services. Based solely on situational context, we show that users can be transparently …

We propose a secure and privacy friendly way to strengthen authentication mechanisms of
online services by taking context into account. The use of context, however, is often of a …

Mobile devices are becoming mandatory equipment in modern life. However, the available
interfaces are usually not suitable for accepting data input in a friendly and reliable fashion …