4.5개월 영업정지 철퇴…정상호號 롯데카드, 수익성 '가시밭길'

The 4.5-month business suspension of LOTTE Card highlights the severe regulatory consequences of data breaches in the financial sector, signaling a potential long-term decline in market share. This case emphasizes that robust cybersecurity and data protection are no longer optional but are critical components for maintaining business continuity and customer trust in the digital finance era.