000			00522nam a22001817a 4500
003			CEME
005			20210628205242.0
008			210204b xxu||||| |||| 00| 0 eng d
020			_a0-13-033273-9
040			_c.
082			_a005.8 SKO
100			_aSkoudis, Ed _974595
245			_aCounter hack,a step by step guide to computer attacks and effective defenses
260			_aNEW YORK _bPRENTICE HALL _c2002
300			_aXXII,564P
650			_aCOMPUTER NETWORKS-SECURITY.DATA PROTECTIION _974596
942			_cBK _2ddc
999			_c580109 _d580109