The important feature of the web hosting is the security feature that it provides to the companies that hires server from the webhosting companies, in order to promote their web site. All the organizations, be it a small scale or large scale. The concern needs a web site for its effective business and it needs space to place this web site in to the internet. The space is provided by the webhosting companies that maintain server. These companies hire this server on rental basis and it looks after the administration and scheduling of tasks. And in dedicated webhosting the server is completely under the control of the concern that hires the server. Before selecting the web hosting concern, check the security level that it provide to the web site, because confidential data is transferred through the server and received via server. And the security levels must be of good range when users select shared web hosting because the data can be easily hacked by the fellow web site owners as IP address provided for all the concerns under the server is same. A perfect antivirus program must be used in order to reduce the functioning of replicated virus like Trojan horse, worms etc. a strong pass word must be provide to every user so that it cannot be hacked by the hackers.