The prime purpose of this article is to know about online data protection. In the last investigation, the work of defending online data is multi-sectoral as it affects all facets of existence. A number of classified information is no immunity to the purpose of the computer, which could land in the hands of unprincipled people. Their access, removal or evaporation from its repository-trustee would be so destructive to the trustee of the information. Concerned parties are running strictly to defend our online data storage banks.