Following a group of disgraced MI5 agents relegated to a bureaucratic backwater, Slow Horses transforms what seems like a dead-end department into the last line of defense against significant ...

The head of MI5 has serious questions to answer about his support for an agent accused of far-Right extremism and violence ...

However, a Second World War guide produced by MI5 for prospective agents concluded that the ideal “watcher” was “born and not made”. The 17-page guide, which was compiled for “officers ...

In the voice over, Oldman reprises the role of his Slow Horses character Jackson Lamb - a spy in charge of a group of failed MI5 agents - beginning with the poem's famous words "'Twas the night ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified documents from MI5. The documents are part of a new exhibition on display at ...

That was the advice issued to rookie MI5 “watchers” whose job it was to covertly follow and report on suspected enemy agents ... may have seen in the movies, the use of “facial disguises ...

FREED gangster Liam Byrne has been mockingly branded an MI5 agent after his release from prison, we can reveal. Byrne was taunted as a “rat” on social media ­platforms following his release ...