This paper evaluates different authentication methods for online banking in Parsian Bank, which is one of the biggest private banks in Iran. The study designs a questionnaire and distributes it among some experts to find cause and effect factors based on a multi-criteria decision making technique named Decision Making Trial And Evaluation Laboratory (DEMATEL). | An application of DEMATEL for transaction authentication in online banking International Journal of Data and Network Science 3 2019 71 76 Contents lists available at GrowingScience International Journal of Data and Network Science homepage ijds An application of DEMATEL for transaction authentication in online banking Ali Sepehri-Rada . Sadjadia and Soheil Sadi-Nezhadb a Department of Information Technology Electronic Unit Islamic Azad University Tehran Iran b Department of Statistics and Actuarial Science University of Waterloo Waterloo Canada CHRONICLE ABSTRACT Article history Business trades among individuals companies firms enterprises and governments are rapidly Received October 18 2018 expelled from their traditional mode which were mainly based on paper-based exchange and are Received in revised format De- geared towards trading through information-based systems. E-commerce has opened up a new cember 20 2018 field in terms of speed efficiency cost savings and the exploitation of fleeting opportunities. This Accepted January 5 2019 Available online paper evaluates different authentication methods for online banking in Parsian Bank which is one January 5 2019 of the biggest private banks in Iran. The study designs a questionnaire and distributes it among Keywords some experts to find cause and effect factors based on a multi-criteria decision making technique Online banking named Decision Making Trial And Evaluation Laboratory DEMATEL . The study evaluates 12 Parsian bank criteria and divides them into two groups of cause and effect. Use of mobile systems in authen- Authentication tication methods Authentication with fingerprint and smart card Authentication with bank Security card and password and Authentication with digital signatures and passwords are considered as the causative group while Authentication with a bank card Biometric authentication and disposable codes and Authentication with digital signature are among the .