It seems like not a week goes by without a story hitting the headlines about sensitive customer data being compromised in one way or another. If it’s not a laptop getting lost it’s a handheld device getting left in a taxi – in fact nowadays you can just pop onto Ebay to buy the bank details of a million or so people . These breaches of security are damaging for the corporations involved and extremely disconcerting for the people whose personal details are compromised, but they also raise serious questions about how companies protect data once it leaves the corporate network.