British broadband provider TalkTalk says it's received a ransom demand from an unidentified party claiming responsibility for a cyber attack that could have led to the theft of personal data from its more than 4 million customers. Ivor Bennett reports on what could be Britain's biggest online security breach.
Names, addresses, bank details, dates of birth... The full extent of the cyber attack at UK broadband provider TalkTalk isn't yet known. But the potential is huge, affecting up to 4 million customers. Darktrace's Emily Orton. SOUNDBITE (English) EMILY ORTON, HEAD OF MARKETING, DARKTRACE, SAYING: "Firstly reputationally, it's very serious. We don't yet know how much the data is worth. But there is clearly a loss of data that has a financial tag against it. But then you also have the ability to operate. TalkTalk's ability to operate has been damaged." Two days on from the attack, parts of the company's website are still down. And some of the stolen data is apparently already up for sale on cybercriminal forums. It's the third hack to hit TalkTalk in the last 12 months, and for many customers it could be the final straw. A barrage of complaints surfacing on Twitter. The company's share price plunging more than 10 percent. CCLA's James Bevan. (SOUNDBITE) (English) CHIEF INVESTMENT OFFICE, CCLA, JAMES BEVAN, SAYING: "I certainly anticipate the company's making all the right noises but in a sense the proof of the pudding is in the eating, so we need to see tangible steps and real action." And not just from them, says Orton. Suggesting an industry shift is needed to fight an ever growing threat. SOUNDBITE (English) EMILY ORTON, HEAD OF MARKETING, DARKTRACE, SAYING: "I think it's fair to say that there are companies that have buried their head in the sand more than others. The reality today is that threat is inside your networks, you've got to take that as a given. TalkTalk has said it's received a ransom note from someone claiming to be behind the attack. As police continue to investigate.