Marc Ruef

hacking information security vulnerability hacker qualys nessus risks nasl hashdays isss zürich twitter xing vulnerability scanner httprecon security scanner design soziale netzwerke linkedin facebook social network soziale netze scanning nmap security virtual private network firewalls analysis network review rules outsourcing cloud computing transparency attack tool kit atk source code violation open source gpl plagiarism code polycom funk computerkriminalität cybercrime computersicherheit nse