EY (Ernst & Young) Canada
Loyalty-fraud cybersecurity report
Withdrawn · November 2025
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
EY Canada pulled the report after an outside team (GPTZero) found the fabrications.
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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