Criticism of Tesco firms, including Tesco and Asda, said they shared shoppers' "anger and outrage". Whitbread vowed to remedy the unacceptable situation on 26 February . The Food Standards Agency's (FSA) chief executive, Catherine Brown also said "it is unlikely we will ever know" how many unwittingly ate horse meat. On 22 May 2007 the BBC's "Whistleblower" programme showed undercover footage detailing breaches of food hygiene rules in a branch of Tesco. The Whistleblower reporter applied for a job following a tip-off from a former employee. Breaches included the sale of products after their sell-by date; allegations that the company illegally and sold
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