Until the late-nineteenth-century the House of Commons maintained a formal ban on the reporting of its debates.

Until the late-nineteenth-century the House of Commons maintained a formal ban on the reporting of its debates.

...a Conservative backbencher called Margaret Thatcher managed, despite front bench opposition, to get enacted her Public Bodies (Admission to Meetings) Act 1960, which was aimed at opening up council meetings to both press and public.

All Cabinet Ministers and other senior ministers are still sworn in as Privy Counsellors for life. The oath (which dates back to the thirteenth-century and has been described as Britain's oldest secrecy provision) commits them to keep all advice to the monarch secret.

Despite the creations of new sections, secret intelligence activity remained mistrusted and neglected in military circles, although there were a few enthusiasts like Baden-Powell, who went on foreign trips disguised as a butterfly collector and regarded spying as sport.

...this initiation ceremony, known as 'signing the Official Secrets Act', has no legal force; everyone is bound by the Act whether they sign the form or not.