국민은행, 케이블 수량까지 '디테일' 공고…2단계 코어뱅킹 핵심축은

KB Kookmin Bank's dual-track core banking modernization—pairing legacy mainframe stability (Core1) with cloud-based agility (Core2)—signals a pragmatic shift from risky big-bang system replacements toward managed coexistence. The integration of AI-driven COBOL-to-Java automation represents a critical industry inflection point where financial SI contracts shift from labor-based pricing to technology-efficiency metrics. If successfully executed by 2030, this model could establish the blueprint for enterprise banking infrastructure transformation across Korea's financial sector.