Facebook  argues that the penalty “challenges some of the basic principles of how people should be allowed to share information online”. Photograph: Getty Images

Facebook is lodging an appeal against the record fine of £500,000 (€564,450) levied against it for its role in the Cambridge Analytica scandal. The f(...)

Facebook chief executive Mark Zuckerberg: said he regretted not telling affected users when Facebook first found out about the Cambridge Analytica leak in 2015.  Photograph: Mandel Ngan/AFP/Getty Images

Mark Zuckerberg said he was willing to testify to any US government inquiry over reports that Cambridge Analytica had harvested data from more than 50(...)