TalkTalk say that they have received a ransom demand from somebody claiming to be behind Wednesday’s cyber attack.
The phone and broadband provider said personal and banking details of up to four million customers may have been accessed in the “significant” attack.
TalkTalk Chief executive Dido Harding said she did not know whether the ransom email was genuine.
The Metropolitan Police, which is investigating, said no-one had been arrested over Wednesday’s attack but inquiries were ongoing.
TalkTalk said there was a chance that some of the following customer data, had been accessed:Names and addresses, Dates of birth, Email addresses, Telephone numbers, TalkTalk account information
Credit card and bank details, In the wake of the news, the company’s share price dropped by 11% – to their lowest level since August 2013 – in the first few hours after the London Stock Exchange opened at 08:00 BST.
TalkTalk receives ransom demand for cyber attack data
