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About me

I am Björn Ruytenberg, MSc student in Computer Science and Engineering, specializing in Information Security, at TU/e and RU. Being a technology enthusiast, I hold a BSc in Electrical Engineering as well as Computer Science (cum laude). Aside from my work as a software developer, I'm an active participant in bug bounty programs. My vulnerability research mainly focuses on sandboxing technology in widely deployed enterprise products, including Adobe Flash, Microsoft Office and Foxit Reader.

You can get in touch with me by email: bjornbjornwebnl (PGP), Twitter (@0Xiphorus), and Freenode IRC (Xiphorus).


My blog is a collection of articles. Here are the most recent entries:

Security vulnerabilities

I report security vulnerabilities whenever I find them. Some are listed below:



Whenever I have an urge to drop a file somewhere, I usually do this in my files section.