Mobile device assisted secure computer network communications embodiments are
presented that employ a mobile device (eg, a mobile phone, personal digital assistant …

Evaluating interactive systems often requires researchers to invite user study participants to
the lab. However, corresponding evaluations often lack realism and participants are usually …

The limited screen size and resolution of current mobile devices can still be problematic for
map, multimedia and browsing applications. In this paper we present Touch & Interact: an …

Authentication in public spaces is a risky task. Frauds on cash machines (ATMs) are not
uncommon nowadays. The biggest group of attacks is observation attacks, which focus on …

In this paper, we present a series of methods to authenticate a user with a graphical
password. To that end, we employ the user¿ s personal handheld device as the password …

Falling hardware prices and ever more displays being connected to the Internet will lead to
large public display networks, potentially forming a novel communication medium. We …

Many people desire ubiquitous access to their personal computing environments. We
present a system in which a user leverages a personal mobile device to establish trust in a …

As public displays continue to deliver increasingly private and personalized content, there is
a need to ensure that only the legitimate users can access private information in sensitive …

In this paper, we present a concept using fake cursors to disguise on-screen password entry.
We performed two user studies with different amounts of dummy cursors and differently …

A large body of work investigated touch, mid-air, and gaze-based user authentication.
However, little is known about authentication using other human body parts. In this paper …