A. On March 18, 2018, the Plaintiff entered into a contract with the Defendant for the lease and control of security equipment as follows:

(hereinafter “instant contract”). The name D Defendant’s trade name was changed to C before the change to C.

보안 장비 임대 및 관제 서비스 서비스명 및 내용 보안 장비 임대 및 관제 서비스 (24×365) - 장비 운영 대행 - 24시간 모니터링(Alive Check, 이상트래픽 모니터링) - 운영(룰셋 튜닝/업데이트, 환경설정 백업/복원) - 대응(실시간 공격 분석, 장애 대응) 메일링 서비스(취약성 권고 메일링 서비스) 24시간 Call Center 응대 악성코드 유포사이트 탐지 URL 대상장비 대상장비: FG-100E＊1ea, FG-500E＊2ea, TP2200T＊2ea, WAPPLE5200＊1ea 계약기간 2018. 4. 1. ~ 2020. 3. 31. (24개월) 계약금액 월간 보안관제 서비스 청구 금액 : 14,050,000원(부가세 별도) 청구일정 : 매월 25일 지급조건 : 청구일 기준 익월 말 내 현금 지급 첨부서류

1. The Defendant A (hereinafter referred to as “A”) and the Plaintiff (hereinafter referred to as “B”) shall conclude this contract based on the terms and conditions of the contract for the lease and control of security equipment under the terms and conditions of the contract for the lease of security equipment, and for the control of control service contracts, as above, based on the terms and conditions of the contract for the lease and control of the above security equipment, promise to perform the contractual obligations in good faith, and keep one copy of the contract, signed and sealed, respectively.

With respect to the lease of security equipment and the provision of control services under the terms and conditions of the security equipment lease and control service contract, Gap and Eul shall fully understand the terms and conditions of each provision of the security equipment lease and control service contract (hereinafter referred to as the "this contract") and agree as follows:

Section 2 (Definitions) The definitions of terms used in this Agreement shall be as follows:

1. Security control;