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: 2019-03-07 Komende verkiezingen wederom … Continue reading

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About me

For 20 years I’m an aficionado for anything related to internet security and developing secure software. I’m specialized in hacking, IT security research and performing advanced penetration testing. My specialty is breaking IT security and then explaining this in a … 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 2019-03-22 ‘Verkiezingsuitslag kinderlijk makkelijk te hacken’ 2019-03-18 ‘VUsec: Election software very vulnerable’ … Continue reading

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Links to my social media accounts: Twitter LinkedIn Content from this weblog is hosted at: YouTube SoundCloud SlideShare

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