What the hell sort of organisation not only allows junior employees access to the bank account details of half the UK population, but also permits them to burn those details to CD and ship them out of the office? And what the hell are the NAO doing even asking for this data in the first place? This shambles is symptomatic of a far bigger problem within the Treasury and HMRC. They obviously don't give a **** about data security, and the man at the top is doing nothing about it.
This is the sort of incident that brings down governments by showing just how deep their failings go. One third of voters are potentially compromised by this. If Darling doesn't go, Labour haven't got a hope at the next election.