Challenges, Collaborative Interactions, and Diagnosis Performed by IT Security Practitioners: An Empirical Study - Rodrigo Werlinger - Rodrigo Werlinger, "Challenges, Collaborative Interactions, and Diagnosis Performed by IT Security Practitioners: An Empirical Study," MASc thesis, Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, Canada, July 2008. : - LERSSE-THESIS-2008-004