Data and the hard drives that store it are more resilient than you think. 60 per cent of computers processed by so-called data-removal specialists still contained data from the previous owner when it released them for sale on the second-hand market. The penalties of data falling into the wrong hands include fines and the PR nightmare of a thorough reputation drubbing. NHS Surrey learned the hard way earlier this year when data regulators fined it 200,000 for releasing the private records of 3,000 patients to the public.”]