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Need an in-depth introduction to a new security topic? Our features articles will bring up up-to-date on everything from buffer overflows to SE Linux policy development.

Meet the Anti-Nmap: PSAD  16 July 2010 
Posted by Administrator   
Features Having a great defense involves proper detection and recognition of an attack. In our security world we have great IDS tools to properly recognize when we are being attacked as well as firewalls to prevent such attacks from happening. However, certain attacks are not blindly thrown at you - a good attacker knows that a certain amount of reconnaissance and knowledge about your defenses greatly increases the chances of a successful attack. How would you know if someone is scanning your defenses? Is there any way to properly respond to such scans? You bet there is...

Understand: Fork Bombing Attack  08 June 2010 
Posted by Anand Jahagirdar   
Features Thanks to Anand Jahagirdar for this feature!

As the variety of attacks and threats grow, you need to be prepared. In this HOWTO, get a feeling for the Fork Bombing Attack, what it is, how it works, where it comes from, how to deal with it and more.
Review: Hacking: The Art of Exploitation, Second Edition  08 June 2010 
Posted by Benjamin D. Thomas   
Book Reviews If you've ever wondered what a "buffer overflow" was, or how a "denial of service" attack works beyond just a basic understanding, then there is no better book that will help you to delve into the nitty-gritty than Hacking: The Art of Exploitation, Second Edition, by Jon Erickson.
Master's Student: Social Engineering is not just a definition!  31 May 2010 
Posted by Administrator   
Features We are happy to announce a new addition to the Linux Security Contributing Team: Gian G. Spicuzza. Currently a Graduate Student pursuing a Masters Degree in Computer Security (MSIA), Gian is a certified Linux/Unix administrator, the lead developer for the OSCAR-Backup System (at and has experience in a variety of CSO, Management and consulting positions.

His first topic is a quick foray into the world and psychology of Social Engineering:

All the security in the world isn't going to stop one of your employees or coworkers from giving up information. Just how easy is it?

Craig never worked for Linda's company, nor did he call from IT. Craig was an unethical hacker who just gained unauthorized access to her account.
Why? Because a phone call is simple.

Read on to see just how easy businesses can be exploited.
Review: Ubuntu Unleased 2010 Edition: Covering 9.10 and 10.4  25 May 2010 
Posted by Benjamin D. Thomas   
Book Reviews Compiling a reference book of more than 800 pages, plus a complete DVD distributed with the book, is a huge project, even for four experienced Linux veterans such as those that wrote Ubuntu Unleased: 2010 Edition.
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