# Investigation Finds Hallucinations in EY Loyalty Report > Source: > Published: 2026-05-30 20:22:45.119260+00:00 Security & Riskinvestigationhallucinationsreport integrityey # Investigation Finds Hallucinations in EY Loyalty Report | 6.8 An investigation identifies fabricated citations and broken references in **Ernst & Young (EY)**'s report on loyalty fraud, labeling the sourcing errors as hallucinations. The probe documents mismatched or nonfunctional references that compromise the report's bibliographic integrity. ## Scoring Rationale Notable integrity issue affecting professional reporting and reliance on vendor analyses; relevant for practitioners verifying AI-assisted content. Practice with real FinTech & Trading data 90 SQL & Python problems · 15 industry datasets Used by DS/ML engineers at top companies [Active Verified Users by Income TierEasy](/problems/sql/active-verified-users-by-income) [Technology Stocks with High BetaMedium](/problems/sql/technology-stocks-with-high-beta) [Portfolio Performance ScorecardHard](/problems/sql/portfolio-performance-scorecard) 250 free problems · No credit card [See all FinTech & Trading problems](/problems/datasets/fintech)