Cyber crimes have become adanger that threatens the entireworld, as aresult of the emergence of computers that changed the form of in the world, And increasing reliance on modern in format ion technology means invarious areas of life, state institutions and infrastructure, until he was there called electronic government, despite the countless benefits of this information technical revolution resulting fromuse electronic computers, However, there is another side bad and bad forthese technologies, It is easy use it to causa serious damage and destructive, without theculprit moves from hishome, offica or room, these crimes has arrived to thepoint of athreat states and urban societies and others, the thing that lead to research about theextent of applicationlegitimacy of thebayonet limit on these are various crimes, and get out of it with apositve result to prevent corruption on earth, Achieving security and stability in humansociety. Key words:- Electronic crimes, thepunistment, thelimits, thecyber.