The head of MI5 says Britain is facing a staggering rise in attempts at assassination, sabotage and other crimes backed by ...

In a speech delivered from the Counter Terrorism Operations Centre (CTOC) on Tuesday in London, MI5 Director General Ken ...

Britain’s leading role in NATO’s war against Russia in Ukraine and the military targeting of Iran ensured that McCallum’s ...

MI5 said his agents and police have tackled 20 'potentially lethal' plots backed by Iran since 2022 and warned that it could ...

The risk presented by Islamic State terrorism and hostile states such as Iran and Russia has surged in the last year, the spy ...

An assertion by the head of the UK's MI5 security service that Russia's GRU military intelligence agency is bent on causing ...

MI5 boss Ken McCallum said on Tuesday that extreme right-wing ideologies spread through online propaganda were responsible ...

Russian officials just piped up over MI5′s recent warning Moscow agents are looking to cause “mayhem” on British streets and ...

Britain's domestic spy chief Ken McCallum warned of the dangers posed by Russia and Iran as well as growing concern about al Qaeda and Islamic State in his annual update on the threats faced by ...

ISIS and al Qaeda present a “resurgent” threat to the United Kingdom, the head of the country’s domestic security service ...

Director-general Ken McCallum was speaking at the Counter Terrorism Operations Centre in west London on Tuesday.

In a joint address, Federal Bureau of Investigation (FBI) director Christopher Wray and United Kingdom MI5 director General Ken McCallum on Wednesday asked businesses to be wary of China's ...