A Personal Identification Number (PIN) is a widely adopted authentication method used by
smartphones, ATMs, etc. PINs offer strong security and can be reset when compromised …

Abstract PIN (Personal Identification Number) code entry is a widely used authentication
method used on smartphones, ATMs, etc. However, it is typically subject to shoulder surfing …

Smartphones provide access to increasing amounts of personal and sensitive information,
yet are often only secured using methods that are prone to observational attacks. We …

We present a new Personal Identification Number (PIN) entry method for smartphones that
can be used in security-critical applications, such as smartphone banking. The proposed …

Blind mobile device users face security risks such as inaccessible authentication methods,
and aural and visual eavesdropping. We interviewed 13 blind smartphone users and found …

Authentication in public spaces is inherently exposed to observation attacks in which
passwords are stolen by the simple act of watching the data input process. Addressing this …

Current standard PIN entry systems for mobile devices are not safe to shoulder surfing. In
this paper, we present VibraInput, a two-step PIN entry system based on the combination of …

In this paper, we present SwiPIN, a novel authentication system that allows input of
traditional PINs using simple touch gestures like up or down and makes it secure against …

People with vision impairment are concerned about entering passwords in public as
accessibility features (eg screen readers and screen magnifiers) make their passwords more …

Blind people use smartphone devices to perform many daily activities like mobile banking,
social media, shopping, health care, etc. While smartphone devices are essential tools for …