After leaving Ernst & Young, he lived abroad as a contractor in the security and intelligence community, where he further specialised in cryptography, social network analysis, A5/1/OTA and mobile security.
Securax (1998–2002) was considered as one of Belgium's strongest hacking movements in the past twenty years and was founded by Filip Maertens and co-founded by Davy Van De Moere as an online community in order to combine skills and experiences in the domain of vulnerability identification, zero-day exploit creation and penetration testing methods.
Filip Vujanović | Filip Kutev | Freddy Maertens | Filip Topol | Filip Lončarić | Filip Nikolic | Filip Kiss | Filip Flisar | Filip Nikolic (Artist) | Filip Müller | Filip Maertens | Filip Kasalica | Filip Jers | Filip Jergović | Filip Jan Rymsza | Filip Daems | Filip Anthuenis |