أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
The best OS for penetration testing is Kali previously known as backtrack which can be virtually installed in Virtual Box or VMware. Many other OS like XP, 7, 2008 etc. can also be installed virtually by using these software and CEH practice can be done by this way.