Information security is a presentation which mainly deals with the process of protecting the information data in the computer system. It protects the availability, privacy and the integrity of the data from the unauthorized access, usage disclosure, disruption, modification and the destruction of the data. The main components of the information security includes confidentiality, integrity and the availability of the data sources. Confidentiality mainly deals with the prevention of the disclosure of the information from the unauthorized individual for preventing the information from the wrong use. Integrity deals with the data which must not be modified further without the permission of the certain administration. Availability means the computing system should store and process the information more easily as compared to the non availability of the data usage. Information security is a very important concept when it comes to the management of the data.