MI5

"The agent was also to smoke one of the cigarettes and would take one of the real aspirins from the tube, " said the MI5 report.

Foot continued to press for a political solution, but agreed to call in MI5 as the situation was rapidly deteriorating.

London's Sunday Times said the British intelligence service MI5 determined that the 25-year-old is a Russian sleeper agent.

However, in her speech, MI5 director Mannigham- Buller said extremists are driven by what he "a sense of grievance and injustice. "

Mr Jeffery says MI6's files are the "holy grail" , hitherto glimpsed only indirectly, when its reports crop up in declassified MI5 files.

We in MI5 had never doubted Philby's guilt from the beginning, and now at last we had the evidence we needed to corner him.

In the BBC hit TV series "tell" the official mobile game as a team of elite members of the MI5, the leadership of a dedicated investigation.

It seems like a Marx Brothers movie directed by Quentin Tarantino, but it's very real, as newly declassified MI5 documents revealed today.

Elsewhere, MI5 and MI6 are likely to be largely protected from cuts announced by the chancellor in Wednesday's spending review.

He had left his diaries, known as "Wallflower" , when he left MI5.

He was a lawyer, and had a venerable respect for the niceties of MI5's processes.

In short, they did not mind MI5 working for them, so long as the arrangement was not reciprocal.

MI5 picked up some of Khan's conversations with Mr Khyam, and said these dealt mainly with financial scams.

Critics of MI5 say it should have been able to join the dots.

During his stay he was asked questions which, the police accept, were drawn up with the help of mi5 and the Greater Manchester Police.

Although it has long been considered a risk by MI5, Chinese hacking has become a growing concern to the agency.

Two years ago the MI5 spoke openly about their drive to broaden recruitment among ethnic minorities.

It is certainly taken seriously by MI5, which took over the lead counter-terrorism intelligence role in Northern Ireland three years ago.

Four joint police and MI5 regional offices are being established to strengthen counter-terrorism work outside London.

They're working closely with Britain's domestic spy agency MI-5 and are also placing officers in civilian clothes among these crowds.

Another three or four individuals had "black holes" in their background and were kicked out before they began MI5 training.

Jonathan Evans, the head of MI5, warned this year that Somalia could become a safe haven for al-Qaida in the way Afghanistan was in 2001.

In the 1920s, he allegedly participated in a plot by high-ranking MI5 officers to discredit and oust the newly elected Labour government.

Jonathan Evans, head of MI5, has given warning about Chinese and Russian hackers targeting the UK financial system.

After the arrest of the Crevice plotters in March 2004, MI5 drew up a list of 55 suspects who had come into contact with Mr Khyam's group.

MI5 and GCHQ have issued a series of warning about Chinese attempts to hack systems in Britain over the past three years.

Victor's finest achievement for MI5 was securing succession.

Lord Neuberger believed MI5's problems were systemic, the letter implied.

He believed that MI5 had made a desperate mistake.

Rifkind told the Guardian last month that the heads of MI5, MI6 and GCHQ would give evidence in public for the first time.

In just four years a succession of spy scandals and disasters had engulfed both MI5 and MI6.

He was beaten in prison, where he was seen by members of the FBI and MI5.

Did MI5 spy on trade unions and anti-nuclear groups?

Another 3 or 4 had "black holes" in their background and were kicked out before they began MI5 training.

MI5, in fact, reduced the resources it allocated to Northern Ireland from 17% of its total budget in 2007 to 15% in 2008.

Sir Stephen Lander, the former MI5 chief who commissioned the book, gives several answers: a centenary history is "good for morale" ;