Sijmen Ruwhof

hacking security cyber security sijmen ruwhof cyber warfare php cyber crime kiesraad voting vote apt election security audits integration information security slimme apparaten smart devices kpn internet of things iot ransomware security research data leaks hackers rtl news sha2017 couting machine learning fraude verkiezingsfraude the netherlands dutch fraud democracy cyber terrorisme trending and popularity ict it beveiliging proces vulnerabilities penetratie applicatie test audit pentest penetration