Category Archives: menu


You can reach me via [email protected], by phone and WhatsApp/Signal (most secure option) via +31652627625, or via the contact form below:

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Almost all my professional work is highly confidential and thus I cannot publicize about it. Sometimes I find time in my busy work schedule to write about some of my research which doesn’t fall under a non disclosure agreement. All … Continue reading

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About me

I started this weblog in 2010 to host my IT security and hacking research I perform in my free time. To create more awareness about insecurity in computer systems and their threat to our daily lives. Ever since 1997, I’ve … Continue reading

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In the media

Sometimes the media talks or interviews me about my work, and sometimes I’m asked to comment on hacking and cyber security related news: Date Website Subject 2021-10-10 Tv: ‘Wie van de Drie: Is de echte hacker?’ 2021-10-06 ‘Security … Continue reading

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Links to my public social media accounts: Twitter LinkedIn Content from this weblog is hosted at: YouTube SoundCloud SlideShare I’m the chairman of the Foundation Against Hackable Elections. In my professional life I’m lead IT security specialist and ethical hacker … Continue reading

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