Is Tesco putting your data at risk?

Sarah Coles
Tesco logos
Tesco logos

John Phillips/UK Press/Press Association Images

Tesco is facing criticism from the web security industry for how it is storing customer data. One blogger has raised concerns about the way passwords are being stored, and another expert has confirmed to AOL that some of the standards Tesco is using are 20 years out of date.

Tesco, meanwhile, insists it is not putting your data at risk, so what is going on?