IT specialist, David Silverstone
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IT specialist: RBS glitch means robust planning needed

The boss of RBS has confirmed a software change was responsible for the widespread computer problems affecting millions of customers' bank accounts.

Stephen Hester said the bank's systems were working normally, but it would take a few days for the backlog to be cleared.

IT specialist David Silverstone told the BBC this sort of incident suggested that planning and testing needed to be more robust.

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