Critical Product: Information technology products that provide the confidentiality, integrity and availability of critical services, Critical infrastructures: Infrastructures that contain information systems, which may cause - Loss of life, - Large scale economic loss, - National security gaps or disturbance of public order when the confidentiality, integrity or availability of the data they contain is compromised, Critical infrastructure sectors: "Electronic Communication", "Energy", "Water Management", "Critical Public Services", "Transportation" and "Banking and Finance" sectors, which contain critical infrastructures pursuant to the Resolution No.2 of the Cyber Security Board dated 20/06/2013, Institution: Public institutions and public or private sector institutions operating critical infrastructures, Cyber incident: Violation or violation attempts of confidentiality, integrity or availability of information and industrial control systems or information/data processed by these systems, Cyber attack: Operations carried out deliberately by a person and/or information systems at any place in cyber space for the purpose of 2016-2019 National Cyber Security Strategy 9/26