Information Network Security Agency (INSA) is established for the first time in a year 2006 by Council of Ministers Regulation No.130/2006 with an objective to defend our country’s information and information infrastructure from attack, and protecting our national interest. However, as it was necessary to amend the agency’s power and functions to prevent cybercrimes that becomes gradually complex and to protect our national interest, its establishment regulation was amended by Council of Ministers Regulation No.250/2011 and recently re-amended by Proclamation No.808/2013.