00362nam a2200133 a 450000500170000002000180001708200150003510000240005024500530007426000380012730000210016550000190018670000230020520251203111949.0  a9788131509524  a005.8bWHI  aWhitman, E. Michael  aPrinciples and practices of information security  aNew DelhibCengage Learningc2011  a444p.c24cm.bPB  aincludes index  aMattord, Herbert J