How Hackers Attack Networks

Post on 16-Aug-2015

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Attack networks

Transcript of How Hackers Attack Networks

2002 TechRepublic, Inc. www.techrepublic.com. All rights reserved. How Hackers Attack NetworksThis presentation is based on a PowerPoint by security expert Adrian Crenshaw. You can view his original presentation here.!! Tech"epublic# $nc. www.techrepublic.co%. All rights reserved. Co%%on plat&or%s &or attacks'indows ()*+e*,P Ho%e -dition.inux# /pen012# Trinux# and other low3cost &or%s o& 4N$,!! Tech"epublic# $nc. www.techrepublic.co%. All rights reserved. .ocal and re%ote attacks.ocal5 Attacks per&or%ed with physical access to the %achine"e%ote5 Attacks launched over the network!! Tech"epublic# $nc. www.techrepublic.co%. All rights reserved. 'hy worry about local attacks on workstations6Hackers can collect %ore in&or%ation about a network and its users.Hackers can obtain the ad%inistrator password on a workstation# which can lead to server access.1pyware can be installed to gather %ore sensitive in&or%ation.!! Tech"epublic# $nc. www.techrepublic.co%. All rights reserved. Co%%on local attacks7etting ad%in*root at the local %achine'indows 'orkstation5 "ena%e or delete c58winnt8syste%98con&ig81A+.inux5 at .$./ pro%pt# type linux sCracking local passwords.!phtcrack :.C;"e%oving hard drive to install in another box-xploiting &iles or co%%ands available upon loginC582ocu%ents and 1ettings8All 4sers81tart +enu8Progra%s81tartup"egistry co%%ands# such as adding users!! Tech"epublic# $nc. www.techrepublic.co%. All rights reserved. Cracking over the network5 A &our3step progra%