Autor: N. Asokan

Silke Holtmanns, Nokia Research Center, Helsinki, Finland is a Researcher in?the at Nokia Research Center (NRC) Helsinki in the Trustworthy Communications and Identities Team of the Internet Core Technology Center. She joined NRC in 2004 in the?Mobile Computer Human-Interaction Competence Area and the Software and Applications Technology Lab. Prior to joining Nokia, she worked at Ericsson Research Department – Service Networks and Applications Technology. Valtteri Niemi, Nokia Research Center, Helsinki, Finland is a Research Team Leader at NRC and a part-time professor at the University of Turku Philip Ginzboorg, Nokia Research Center, Helsinki, Finland is a Principal Research Engineer at NRC. Pekka Laitinen, Nokia Research Center, Helsinki, Finland is a Security Researcher at NRC. N. Asokan, Helsinki Finland is a part-time Professor at the Helsinki University of Technology.