by Rupert Neate in New York and Olivia Solon in San F on (#1VSCJ)
Biggest data breach in history complicates Verizon’s $4.8bn takeover of Yahoo, with executives refusing to give reassurances that they would press aheadThe future of Yahoo, once the darling of the internet, was plunged into crisis on Thursday following the revelation that it has suffered the biggest data hack in history – and took two years to notice.