Studies and analysis the aspects of confidentiality, integrity and availability of information(data) with regard to the organisation. Identify exposure to accidental or intentional , destruction, disclosure , modification or interruption of information that may cause serious financial and or information loss Study of cyber security and incident response and has become necessary because attacks frequently cause the compromise of personal and business data. Heightened incidents concerns about national security and exposure of personally identifiable information. Racing awareness of the possible effects of computer barred attacks is the other reason.