Cambridge Analytica, the company at the centre of the Facebook data scandal, has alleged "hundreds" of companies are harvesting personal information from social network users, a claim that could spell trouble for Mark Zuckerberg as he faces Congress on Tuesday.
The political research company, which was employed by the Trump campaign in the run-up to the US presidential election, on Monday night released a statement in an attempt to quell the media storm that has been brewing since it used data from a fake quiz app that siphoned personal information from millions of Facebook users.
Acting chief executive Alexander Tayler said: "Cambridge Analytica did not 'hack' Facebook. A research company (GSR)...