Controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2000
Second extortion attempt involving Clubcards
Robert Edward Dyer sent letter bombs during a later extortion attempt connected with Clubcards. He was arrested in February 2001.
1995
Riolfo extortion and cash-withdrawal scheme
Frank Riolfo used a food-contamination hoax and threats against Tesco to demand payment through the newly introduced card system. Magnetic-stripe cards were used with his wife to make repeated cash withdrawals before their arrest. The case did not stop the planned Clubcard rollout.
Privacy concerns over customer data
Users have raised concerns about Tesco and dunnhumby's collection and use of transaction and personal information. Reported transaction records include store, products and prices, while registration can request household details. Tesco has said the information supports relevant rewards and retail planning.