This dissertation deals with the field of usable security, particularly in the contexts of online
authentication and verifiable voting systems.The ever-expanding role of online accounts in …

… , or usability experts. In the worst-case, users reject or circumvent even strong security
measures and technically secure systems become insecure. To tackle the problem of unusable …

… But it does not mean that more strong security provided more perfect for the users. Strong
security can also be a problem for usable security. For example, encrypting too strong will …

… user experience as well as on privacy and security issues such as user authentication, e-mail
security, anti-phishing, web privacy, mobile security/… both usability and security concerns …

… The accredited certificate provides high security however, it is used without consideration
for service environment or the user. Therefore, the user may find an inconvenience problem in …

… to use the security technology. Here we consider the rst two of these usability, and the third
… investigated the end user experience of con guring and using the security key by combining …

… in other security domains, however, reveals other reasons aside from poor usability, that hinder
the proper adoption of security … measures aside from ensuring the usability of the cast as …

… perceive security and privacy. First, we will investigate the findings from the literature to find
common themes in user experience across technology… focus on top security conferences and …

… can deliver provably strong (if not perfect) protection from many such … strong security offered
by these mechanisms and actual low security in practice is often caused by the poor usability …

… the usability and the security perceptions of RBA are not studied well. We present the results
of a between-group lab study (n=65) to evaluate usability and security … Only for high security …