In the cyber world more and more cyber-attacks are being perpetrated. Hackers have now become thewarriors of the internet. They attack and do harmful things to compromised system. This paper will showthe methodology us by hackers to gained access to system and the different tools used by them and howthey are group based on their skills. It will identify exploits that can be used to attack a system and find mitigation to those exploits.In addition, the paper discusses the actual implementation of the hacking phases with the virtual machinesuse in the process. The virtual machines specification is also listed. it will also provide means and insights on how to protect one system from being compromised.