Hey all,
this is my first blog post for Nibblesec. So I decided to start from what I did in the last couple of months. 
I was mainly involved in some research on OS X. Specifically a way to create a userland execve() on Mac OS X. 
So if you are interested in it, here are a few links that might help you: 
And finally a nice video I made on my technique and Safari.
I'll be speaking with Charlie Miller about In-memory attacks at Black Hat Europe 2009. I'm looking forward to meeting you there. 
Snagg