Microsoft Security Advisorieshttp://www.microsoft.com/technet/security/advisory/default.mspx
MSRC bloghttp://blogs.technet.com/msrc/
Full Disclosurehttps://lists.grok.org.uk/mailman/listinfo/full-disclosure
Daily Davehttps://lists.immunitysec.com/mailman/listinfo/dailydave
Metasploit RSS feedhttp://www.metasploit.com/
OSVDB mailing listhttp://www.osvdb.org/mailing-lists.php
Ntbugtraqhttp://www.ntbugtraq.com/
SecuriTeamhttp://www.securiteam.com/mailinglist.html
SecurityFocus Mailing Listshttp://www.securityfocus.com/archive
WSUS listserverhttp://www.patchmanagement.org
WSUS community forumhttp://www.wsus.info/default.asp
WSUS wikihttp://www.wsuswiki.com/
WSUS downloadhttp://www.microsoft.com/windowsserversystem/updateservices/default.mspx
WSUS bloghttp://blogs.technet.com/wsus/
WSUS MVP bloghttp://msmvps.com/athif/