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Who Are You? It Depends (On What You Ask Me!): Context-Dependent Dynamic User Authentication

Traditionally, the approaches to user authentication have been more static, which have often proved to be less secure. More recently, some researchers [3] have explored allowing users to choose one of several available authentication schemes. In the recent past, researchers have also considered context-dependent attributes in user authentication. Context is information that allows a system to “...

Who are you?

Who Are You?

M any security mechanisms, including authorization, depend on the proper handling of identity, but it’s hard to get right. To understand why, we must examine, fundamentally, what identity is. One traditional answer is that an identity is a name. That’s unsatisfactory, for several reasons. First, a name points to an object—an entity—but is not itself that object. Second, authentication is needed...

Who Are You?

Most automatic recognition systems are focused on recognizing, given a single mug-shot of an individual, any new image of that individual. Most verification systems are designed to authenticate an identity provided by the user. However, the previous work rarely focus on the problem of detecting when a new individual, i.e. an unknown one, is present. The goal of the work presented in this paper ...

Who Are You?

The internet has become central to commerce, international and domestic, and multimedia technology is at the core of this explosive growth. The future is virtually unlimited with but one significant and growing concern – protection of the privacy of the individuals employing the internet (or identified in the many repositories of businesses that record information on their customers to better s...