1. Defendant A Co., Ltd.: (a) each of the Plaintiffs listed in the separate list of Plaintiffs 10,000 won on January 26, 2016.

1. Facts of recognition;

A. The status of the parties (1) Defendant B Co., Ltd. (hereinafter referred to as “Defendant B”) is a company established jointly by financial institutions, such as 19 banks, credit card companies, and insurance companies in Korea, and conducting credit inquiry and credit investigation as prescribed by the Use and Protection of Credit Information Act.

(2) Defendant A Co., Ltd (hereinafter “Defendant A”) is a company engaged in the issuance, sale, and management of credit cards, pre-paid cards, and debit cards.

(3) The Plaintiffs are those who have used or used a credit card, etc. upon entering into an additional financial service contract with Defendant A on the use of credit cards and credit settlement.

B. A development service agreement for the card accident analysis system of the Defendants (1) The card accident analysis system (hereinafter referred to as the “FDS”) is introduced by all domestic credit card companies as a system to detect transactions or fraudulent use as long as it is due to the theft, loss, forgery, etc. of credit cards.

According to the FDS, when it is discovered that a large amount of card use information and customer information were used based on the past accident transaction in accordance with statistical techniques, the analysis model has been made based on statistical techniques, and based on this, when it is discovered that abnormal types of transaction have occurred according to an accident pattern analyzed in the course of using credit cards, the credit card approval has been refused.

(2) After introducing FDS in around 2006, Defendant A requested C or Defendant B to provide services related to FDS business in order to implement a regular Riice.

D is an employee of the “C” from October 2009 to April 2010, and from September 2013 to December 2013, Defendant B’s employee, who participated in the business of developing and installing FDS entrusted by the Defendant A as a general manager of the project, and on the ground that it is necessary for work during the FDS development process.