This book
constitutes the refereed proceedings of the Second International Symposium on
Cyber Security, CSS 2015, held in Coeur d'Alene, ID, USA, in April 2015.
The 9
revised full papers presented were carefully reviewed and selected from 20
papers. The papers reflect four areas of scholarly work: permissions and trust
evaluation, implementation and management; cloud and device security and
privacy; social implications of networked and mobile applications; system and
process assessments for improved cybersecurity.