To misquote Lady Bracknell 'To lose one's systems once may be regarded as a misfortune. To lose your systems twice looks like carelessness!". National Australia's systems went down again earlier today (their afternoon) taking out electronic payments systems including ATM and POS and internet banking. This time, however they were able to restore the systems after only an hour. According to National Australia the two incidents were unrelated, however it sounds that a much deeper dive into what is going on in IT is required than the review by their auditors KPMG.