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1. Defendant A Co., Ltd.: (a) each of the Plaintiffs listed in the Plaintiff’s separate sheet No. 2,000,000 and each of them on May 21, 2014.
Reasons
1. Basic facts
A. The status of the parties, etc. 1) Defendant A Co., Ltd. (hereinafter “Defendant A”).
Defendant B Co., Ltd. (hereinafter “Defendant B”) is a company engaged in the business of issuing, selling, and managing credit cards, pre-paid cards, or debit cards.
(1) The Credit Information Use and Protection Act (hereinafter referred to as the “Credit Information Act”) shall apply to a company incorporated jointly by a financial institution.
(2) The Plaintiffs are those who have used or used a credit card, etc. upon entering into a contract for the use and financial transaction with Defendant A and a credit card company.
B. The concept of the card accident analysis system and the introduction card accident analysis system (hereinafter “FDS”) are introduced by all domestic credit card companies as a system to detect abnormal or fraudulent use due to theft, loss, forgery, etc. of credit cards. According to FDS, an analysis model is made based on statistical methods by utilizing large-scale card use information and pertinent customer information based on past accident transactions and based on the results, if it is discovered that abnormal types of transactions have occurred according to the statistical analysis pattern of the credit card when using the credit card, the approval of the card will be refused.
C. Defendant A’s conclusion of the FDS development service agreement and the provision of card customer information to Defendant A’s card users, Defendant A introduced FDS around 2006 to implement the FD and requested Defendant A or Defendant B to provide services related to FDS business every time.
D The employee of C from October 2009 to April 2010, and the employee of Defendant B from September 2013 to December 2013, 2013, while the said company engaged in the business of developing and installing the FDS entrusted by the Defendant A as the general manager of the project.