[기고] 개인정보 유출사고 대상 연계정보(CI)의 오해와 이해

As South Korea accelerates AI adoption and digital transformation, the article addresses a critical misconception about Connected Information (CI)—clarifying that it is a one-way encrypted hash of resident registration numbers, not a reversible 'online resident number.' Understanding CI's true function—serving identification only, not authentication—is essential for building trustworthy digital identity systems while enabling innovation without compromising privacy.