00332nam a2200133Ia 4500008004100000020001800041041000800059082001400067100002300081245004000104250001600144260003000160300000800190211209s2021    xx            000 0 und d  a9789387994232  aeng  a005.8 WHI  aWHITMAN, MICHAEL E  aPRINCIPLES OF INFORMATION SECURITY   a6TH EDN ed.  bCENGAGE PUBLILSHINGc2021  a728