Some of you already heard about the Exploit Next Generation Methodology - or ENG++ (pronounced /Än'jÄn/ incremented)... And some of you were in its very first appearance: - The Departed: Exploit Next Generation @ H2HC 6th Edition The ENG++ helps to create new exploit variants, maintaining the reliability and can be applied to: 1. Penetration test; 2. Exploit Development; 3. Security Solution Evasion Test; 4. Security Solution Quality Assurance; 5. Etc... That is the very first definition of "Z-Day Attacks" concept: any new attack exploitation variant that cannot be detected by regular security solutions and/or products. Find further details @ http://fnstenv.blogspot.com/2010/09/exploit-next-generation.html Regards. Nelson Brito Security Researcher http://fnstenv.blogspot.com/