Knowledge may be power, but it can also be a serious liability if not handled correctly. And when that knowledge is stored in electronic form – as almost all data now is – the problems it can create for companies can increase exponentially.

If anybody was sceptical about the potential ramifications of failing to manage electronic data carefully, the outcry that followed the loss of child benefit claimant details by HM Revenue & Customs (HMRC) should disabuse them of any notion that data management is not a business-critical issue.