This bookconstitutes the refereed proceedings of the Second International Symposium onCyber Security, CSS 2015, held in Coeur d''Alene, ID, USA, in April 2015.

The 9revised full papers presented were carefully reviewed and selected from 20papers. The papers reflect four areas of scholarly work: permissions and trustevaluation, implementation and management; cloud and device security andprivacy; social implications of networked and mobile applications; system andprocess assessments for improved cybersecurity.

This bookconstitutes the refereed proceedings of the Second International Symposium onCyber Security, CSS 2015, held in Coeur d''Alene, ID, USA, in April 2015.

The 9revised full papers presented were carefully reviewed and selected from 20papers. The papers reflect four areas of scholarly work: permissions and trustevaluation, implementation and management; cloud and device security andprivacy; social implications of networked and mobile applications; system andprocess assessments for improved cybersecurity.