Hey, I am Greg

I am an independent developer and OSCP-certified penetration tester.

I focus on Ruby and Ruby on Rails development, penetration testing, code auditing and exploit development.

I usually help businesses to find security issues before the bad guys, preventing any negative business impact.

I contribute to open-source projects as much as I can. You can view all my contributions on my GitHub profile, but here are a few of them:

• Ruby on Rails
• Spektr, a Ruby static code analyser
• Prepper, a Ruby server provisioning tool
• Rack Mini Profiler
• Ransack
• Textacular
• Mongoid, the Ruby MongoDB ORM
• Yii PHP MVC framework

I am also the author of the following books:

• Secure code review for Rails Developers