Criticism of Tesco summer 2012 according to a leaked document. Ready packed meal firm Findus, Compass Group was the world's biggest catering firm at the time, and Whitbread, which was Britain's biggest hotel group, were indicted for illegally selling concealed horse meat in food products. Compass Group had sold it to 47 Lancashire schools and a "small number" of schools in northern Ireland. As a result, Tesco dropped in market value by Wednesday 16 January 2013. Tesco, the Co-operative Group and Aldi also decided to cancel contracts with ABP Food Group because of the adulteration. In a public letter later that day, 11
Tesco Clubcard users have concerns about the information Tesco and Dunnhumby hold and what they do with it. Every time a Clubcard is used a copy of the store shopped in, products purchased and price paid are stored against the Clubcard account. Applicants are asked to provide personal details such as name, address and children. Tesco have stated that this is to help them pick vouchers that are relevant to the holder and also monitor trends to help product availability. In February 2014, over 2,000 email addresses, passwords and voucher balances were leaked online following a security breach. Tesco shut down all