Side-channel attacks on mobile devices have gained increasing attention since their
introduction in 2007. While traditional side-channel attacks, such as power analysis attacks …

Smartphones contain access to user-sensitive information such as contacts, e-mails, e-
payments among others. Therefore, it is imperative that proper smartphone authentication …

Pattern lock is widely used as a mechanism for authentication and authorization on Android
devices. In this paper, we demonstrate a novel video-based attack to reconstruct Android …

User authentication on smartphones needs to balance both security and convenience. Many
image-based face authentication methods are vulnerable to spoofing and are plagued by …

Pattern lock-based authentication has been widely adopted in modern smartphones.
However, this scheme relies essentially on passwords, making it vulnerable to various side …

Pattern lock has been widely used for authentication to protect user privacy on mobile
devices (eg, smartphones and tablets). Several attacks have been constructed to crack the …

This study presents Periscope, a novel side-channel attack that exploits human-coupled
electromagnetic (EM) emanations from touchscreens to infer sensitive inputs on a mobile …

Keystroke inference attacks pose an increasing threat to ubiquitous mobile devices. This
paper presents EyeTell, a novel video-assisted attack that can infer a victim's keystrokes on …

Pattern lock is widely used for identification and authentication on Android devices. This
article presents a novel video-based side channel attack that can reconstruct Android …

Android pattern lock is still popularly used for mobile user authentication. Unfortunately,
however, many concerns have been raised regarding its security and usability. User-created …