EY (Ernst & Young) Canada
Loyalty-fraud cybersecurity report
Withdrawn · 14 May 2026
SectorConsulting / Corporate
CountryCanada
Document typeCybersecurity / loyalty-fraud study
ConsequenceWithdrawn
What was fabricated
16 of 27 sources fabricated, misattributed or broken, including an invented McKinsey statistic.
What happened as a result
GPTZero's investigations branch published its analysis on 14 May 2026; EY Canada removed the study “Points of Attack: Uncovering Cyber Threats and Fraud in Loyalty Systems” from its website following that publication, reported by Consulting.ca on 19 May 2026. EY said it was reviewing why the study was published.
Sources
- https://www.consulting.ca/news/5023/ey-canada-takes-down-study-after-apparent-ai-hallucinations
- https://gptzero.me/investigations/ey
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