My primary activities are doing custom application development and architecture for open source technologies on Linux platforms. I also perform security audits for clients who need to improve their security posture. I have certifications as an Ethical Hacker (CEH) and as a Penetration Tester (CPT).
I mostly focus on the following:
I've worked on a number of high-traffic sites including ones for leadgen (Low.com), travel (LowFares.com), and identity theft (IdentityTheft.com).