1. The plaintiff's appeal is dismissed.

2. The costs of appeal shall be borne by the Plaintiff.

The purport of the claim and appeal is the purport of the appeal.

1. Basic facts

A. The party’s status 1) Defendant SKcom Co., Ltd. (hereinafter “Defendant SKcom”).

) On the Internet, portal service businesses that provide various information based on search, community, etc. are providing online services, such as NATE, NAE, and CYWORD. Defendant CYWORD (hereinafter referred to as “Defendant CYWOD”).

(2) The Plaintiff entered into a contract with Defendant SKcom on April 8, 2014, and transferred all rights and duties related to the use of the packaging service from Defendant SKcom. (2) The Plaintiff, prior to the occurrence of hacking accident, provided personal information, including the name, resident registration number, ID (ID), password, e-mail address, address, telephone number, etc., to Defendant SKcom at the time of entry.

B. 1) In the event of hacking accident, there is a piracy in which the identity presumed to be residing in China is unknown (hereinafter “instant piracy”).

around 00:40 on July 21, 201, Defendant SKcom’s database (hereinafter “DB”)

) Using the wind reservation work on B’s computer, a staff member of the Technology Team, distributed “N Rate.ex”, a malicious program with a function to attempt reverse connection, which is a voluntary domain name, which was created and offered by the instant sea line in advance. From July 26, 2011 to July 27, 2011, the Defendant’s information and communications network was invaded by remote connection with B’s computer at a place where the location in China is unknown, and the DNAB server with which the NB server with which the NE members’ information is stored, the DNA server with which the DB server with which the DB server with which the DB server was stored, and the DB server with which the DB server with both the DB server and the H.D were stored (hereinafter each of the above DB server referred to as “instant server”).

DB. Intrusion upon the DB.