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1.(a)
Defendant A Co., Ltd. and Defendant D Co., Ltd. shall jointly cooperate with each other listed in the separate sheet No. 100.
Reasons
Under the underlying facts, Defendant C, B, and A are companies engaged in businesses such as credit cards, pre-paid cards, debit cards, issuance, sale, and management, and Defendant D is companies established by financial institutions, which are engaged in businesses such as credit inquiry and credit investigation under the Use and Protection of Credit Information Act (hereinafter “Credit Information Act”).
Attached Form
Plaintiff
The plaintiffs listed in the list are those who have used or used credit cards, etc. after entering into a contract for use and financial transactions with Defendant C, B, A, or three companies.
The concept of the card accident analysis system and the introduction card accident analysis system ("FDS") are introduced by all domestic card companies as a system to detect abnormal transactions or fraudulent use due to the theft, loss, and forgery of credit cards.
According to the FDS, a large amount of card use information and customer information based on the past accident transactions created an analysis model in accordance with statistical techniques, based on this, and based on the results, the card company will refuse to approve the card if it is discovered for any more types of transaction due to an accident pattern analyzed at the time of using the credit card.
Defendant C entered into a contract with Defendant C customer information leakage FDS development services and entered into a purchase contract with Defendant C on January 30, 2013, when it introduced FDS for the first time around 2008.
The development human resources of Defendant D, including the general manager of the project, engaged in the development of FD from February 2013 to August 2013. Among them, the Defendant C head office located in Jongno-gu Seoul Metropolitan Government F from February 2013 to March 2013, and the Defendant C H. located in Gangseo-gu Seoul Metropolitan Government H from March 2013 to August 2013.