SMILE: encounter-based trust for mobile social services. - Justin Manweiler; Ryan Scudellari; Landon P. Cox (CCS, 2009)

We saw each other on the subway: secure, anonymous proximity-based missed connections. - Justin Manweiler; Ryan Scudellari; Zachary Cancio; Landon P. Cox (HotMobile, 2009)

ScreenPass: secure password entry on touchscreen devices. - Dongtao Liu; Eduardo Cuervo; Valentin Pistol; Ryan Scudellari; Landon P. Cox (MobiSys, 2013)