‘Shocking’ scale of UK government’s secret files on critics revealed

Dossiers were compiled by 15 departments after scouring social media activity to vet people invited to speak at official events

Fifteen government departments have been monitoring the social media activity of potential critics and compiling secret files" in order to block them from speaking at public events, the Observer can reveal.

Under the guidelines issued in each department, including the departments of health, culture, media and sport, and environment, food and rural affairs, officials are advised to check experts' Twitter, Facebook, Instagram and LinkedIn accounts. They are also told to conduct Google searches on those individuals, using specific terms such as criticism of government or prime minister".