some userful tips

What, no mention of IronGeek's videos?

<a href="http://www.irongeek.com/i.php?page=security/hackingillustrated">http://www.irongeek.com/i.php?page=security/hackingillustrated</a>

Free Metasploit course from Offensive Security:

<a href="http://www.offensive-security.com/metasploit-unleashed/">http://www.offensive-security.com/metasploit-unleashed/</a>

Great exploit writing tutorials:

<a href="http://www.corelan.be:8800/index.php/category/security/exploit-writing-tutorials/">http://www.corelan.be:8800/index.php/category/security/exploit-writing-tutorials/</a>

Security cheat sheets:

<a href="http://blog.securitymonks.com/2009/08/15/whats-in-your-folder-security-cheat-sheets/">http://blog.securitymonks.com/2009/08/15/whats-in-your-folder-security-cheat-sheets/</a>

There's also tons of talks available online from most of the InfoSec &amp;

hacking cons....