Ayesha Zafar Jarral (10644) creator text Islamabad (unpublished) 2017 monographic xi, 96 p. : ill. ; 29 cm. +CD A research thesis submitted to the Riphah Institute of System Engineering Faculty of Computing,Riphah International University Islamabad in partial fulfillment of the requirements for the degree of Master of Science in Information Security. Includes bibliographical references Thesis supervisor: Dr. Muhammad Saleem Thesis(MS)--Riphah International University, 2017 English Information security Computer security Exploitable permissions Privileged information Operating system RISE 005.8 AYE