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1. Of the judgment of the court of first instance, the part against the defendant is revoked, and the plaintiffs' respective claims corresponding to the revoked part are filed.
Reasons
1. Basic facts
A. (1) The Defendant is a telecommunications business operator under the Telecommunications Business Act and a provider of information and communications services under the former Act on Promotion of Information and Communications Network Utilization and Information Protection, Etc. (amended by Act No. 12681, May 28, 2014; hereinafter “former Information and Communications Network Act”).
The website (E) established by the defendant is a website through which a general subscriber (customer) can inquire about the particulars of charges.
The plaintiffs are those who have used or used information and communications services provided by the defendant upon entering into a contract for the use of information and communications services with the defendant.
B. From August 8, 2013 to February 25, 2014, the Defendant’s customer information leakage (F) leaked total of 11,708,875 personal information on the users, including the Plaintiffs, by illegally approaching through the D website and inquiring about another person’s fare specifications.
(hereinafter “Leakage of personal information of this case”). Doller is presumed to have leaked personal information in the following ways and route:
㈎ 해커는 자신의 PC에 파로스 프로그램을 설치ㆍ실행한 후 D 홈페이지에 접속하여 로그인 버튼을 누르고 자신의 인증 정보(ID, 비밀번호)를 입력하였다.
C C C ㈏ D 홈페이지의 웹 서버는 사용자 인증 정보를 통합인증 서버로 전송하고, 통합 인증 서버는 해커가 웹 사이트 가입 회원이고 비밀번호가 일치하는지를 판별한다.
In the same case, the web server shall deliver to the user PC the information that the hacker became the hacker's membership.
At this time, the service contract number of an piracy is a serial number of nine-dimensional numbers assigned to each service to which each subscriber has joined, with the identification number of the subscriber on the D website.
In the event that an account holder has subscribed to various services among the services provided by the defendant, multiple subscribers are involved.