Tesco is developing its own private cloud run in UK data centres to aid its expansion into overseas markets.
Tesco has confirmed that it has called in the police to investigate a possible data breach after a number of complaints from Clubcard members who claim to have had their online accounts compromised.
A recent push in the IT industry to collect and monetize big data is headed for a clash with privacy concerns from Internet users and potential regulation from some governments, according to tech analyst firm Ovum.
Sainsbury's grew its online sales by a quarter in the three months to 2 October, as the firm continued investing heavily in its supply chain and other systems.
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