Sebastian Roth is a PhD student in the Information Security and Cryptography Group at the CISPA Helmholtz Center for Information Security, where he is supervised by Michael Backes. His research interest is focused on client-side Web Security as well as Usable Security for developers. Thus his work is done in collaboration with the Secure Web Applications Group headed by Ben Stock. Currently, he is specifically looking into the prevalence and the usage of security mechanisms present in Web applications as well as understanding how Web developer can be supported in writing secure applications.