I collected some hachers' url,you can copy them to word then visit them directly or copy them to IE's address. Enjoy :)
abroad
some hacker groups:<maybe have underneath websoits,do't know>
1PoisonBox 2.Prophet 3.Acidklown 4.Hackweiser 5.PrimeSuspectz 6.Subex 7.SVUN 8.Hi—Tech
http://www.cultdeadcow.com
http://www.insecure.org
http://www.security-focus.com
http://www.securityfocus.com
http://www.rsa.com
http://www.kevinmitnick.com
http://defaced.alldas.de
http://www.net-security.org
http://www.securitywatch.com
http://www.antionline.com
http://www.atstake.com
http://underground.org 
http://www.bugnet.com
http://www.infonexus.com
http://www.securify.com
http://www.2600.com
http://www.hackers.com
http://www.hackmail.com
http://www.hackermail.com
home
http://www.cnhonker.com
http://www.hack.co.za
http://www.infonexus.com
http://honker99.363.net
http://cooldiyu.tongtu.net
http://www.vrbrothers.com
http://www.vertarmy.org
http://hacker51.8u8.com
http://www.20cn.net
http://cn8341.126.com
http://www.china3w.org/8341/index.html
http://www.free51.net
http://qing77chong.myetang.com
http://www.soft168.com
I am not sure the following urls are available,so you have to make a test by youself.
http://heike163.myetang.com
http://hjhk.myrice.com
http://hacknet.8u8.com
http://icu.3322.net
http://hacker51.8u8.com
http://coolhacker.163.net
http://h88.home.sohu.com
http://jjgirl.yeah.net
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Computer Thechnology Certificated Exam
Microsoft
http://www.microsoft.com/train_cert
 
Cisco 350, 640, 9E0 http://www.cisco.com/certifications 
IBM 000 http://www.ibm.com/certify 
Lotus 190 http://www.lotus.com/services/education 
Novell 050 http://education.novell.com/ 
Oracle 1Z0 http://education.oracle.com/certification 
Intel 1L0 http://www.intel.com/training/certification 
Sun 310 http://suned.sun.com/ 
Adobe 9A0 http://partners.adobe.com/asn/training/programs.htm/ 
Sybase 510 http://slc.sybase.com/certification/index.htm 
HP 3H0, 490, 1H0, 1R0 http://www.hp.com/eduication/certification 
Informix 660 http://www.informix.com.cn/infomix/training/course/certific 
CA 270 http://www.cai.com/education/certified 
SCO 090 http://www.sco.com.cn/education 
Lucent 1M0 http://www.lucent.com/ 
Compaq 010 http://www.compaq.com/education 
Baan 1A0 http://www2.baan.com/cgi-bin/bvisapi.dll 
CompTIA 220, IK0, N10, 225 http://www.comptia.org/ 
linux 3X0, LC0 http://www.redhat.com/products/training 
Notel/Bay networks 920 http://www.notel.com 
===