Watching TalkTalk's response to this failure on their part brings to mind the now immortal words of Malcolm Tucker. "....it's like watching a clown running across a minefield."
Their position seems to be "we should be protected by the authorities, we pay our taxes, oh wait..."
Exhibiting zero corporate responsibility, they're share price deserves to tank. The sad consequence is though, with all the mergers and takeovers that have been going on in the past few years, B.T. will soon have (once again?) a monopoly on the mobile phone market, indeed on communications in general, in this country.