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.
Even though retailer Tesco is one of the few to actually make a profit from its online sales, mobile technology will have a bigger impact to the business, says CIO Mike McNamara
Tesco has dramatically slowed down a major system migration programme at its Tesco Bank unit, following <a href="http://www.computerworlduk.com/news/it-business/3287455/tesco-bank-in-chaos-as-customer-login-choked-offline-for-third-day/">severe problems in June that locked out customers from their accounts for three days</a>.
Tesco Bank, which has seen many customers unable to access their accounts all week following a technical upgrade, has issued <a href="http://www.tescobank.com/personal/finance/change/improving-online-banking.html">urgent guidance</a> on how to make a popular browser work on its website.
Some Tesco Bank customers have been unable to see their accounts for a third day, prompting <a href="http://www.computerworlduk.com/news/it-business/3287241/tesco-bank-system-update-blocks-customer-access/">scores of angry comments online</a>.