Security engineer, Rubyist, Gopher and H4cker!

Hi! I'm hahwul. I like doing various things about hacking and security.
The site share hacking, security technical and programming skills.

If you have any other questions please feel free to contact me (@hahwul).
Thank you.

This is my blog and web site. It provides postings about hacking and security and various functional pages.


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