'They wanted $4m': Lessons for M&S from other cyber attacks

Graham FraserTechnology ReporterGetty ImagesAs Marks & Spencer - and its customers - continue to reel from a major cyber attack, other people who have gone through similar experiences have been sharing what it is like to be targeted by hackers."It was an absolute nightmare," says Sir Dan Moynihan. He runs the Harris Federation, a group of 55 schools in the London and Essex area.Sir Dan told the BBC how it was…