Computer users express a strong desire to prevent attacks and to reduce the losses from computer and information security breaches. However, security compromises are common and wi...
In Self 4.0, people write programs by directly constructing webs of objects in a larger world of objects. But in order to save or share these programs, the objects must be moved t...
This doctoral research aims to persuade users to choose and remember more secure text passwords. The first component involved user studies demonstrating that users can be persuade...
Large-scale, ground-level urban imagery has recently developed as an important element of online mapping tools such as Google’s Street View. Such imagery is extremely valuable i...
Digital identity and trust management mechanisms play an important role on the Internet. They help users make decisions on trustworthiness of digital identities in online communit...