1. Defendant I Co., Ltd. shall be the Plaintiff A, C, D, E, F, G, and H; Defendant J Co., Ltd. shall be the Plaintiff B, and KRW 100,000, respectively.

1. Basic facts

A. The Defendants are corporations engaged in the business of issuing, selling, and managing credit cards, pre-paid cards, pre-paid cards, and K Co., Ltd. (hereinafter “K”).

(2) The Plaintiffs are those persons, among the Defendants, using or using a credit card, etc. upon entering into a contract for the use and financial transaction with one or two companies and credit cards, etc. under the Credit Information Use and Protection Act.

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 using large-scale card use information and pertinent customer information based on past accident transactions and based on this, 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.

C. Defendant I entered into a contract with K on January 30, 2013 for the first time after introducing FDS development services and provision of credit card customer information. Defendant I entered into a contract with K on January 30, 2013 for the purchase of FDS business within seven months from the date of the delivery deadline, with K on January 30, 2013.

B. From February 2013 to August 2013, K’s development human resources, including the project general manager L, input into Defendant I to start the FDS development work. ① From February 2013 to March 2013, Defendant I’s credit management division and work requirements.