MI5 photograph

MI5

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Agency executive Andrew Parker
HeadquartersLondon
United Kingdom
Minister responsible Sajid Javid
Secretary of State for the Home Department
Employees31 March 2016
MottoRegnum Defende  ("Defence of the Realm")
Founders Vernon Kell
Date of Reg.
Date of Upd.
ID803051
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About MI5


The Security Service, also known as MI5, is the United Kingdom's domestic counter-intelligence and security agency and is part of its intelligence machinery alongside the Secret Intelligence Service, Government Communications Headquarters and Defence Intelligence.

Omagh police shooting: Attack on John Caldwell a wake up call for PSNI

Omagh police shooting: Attack on John Caldwell a wake up call for PSNI
Feb 24,2023 11:41 pm

... Within a year, its suspected leadership was rounded-up by the PSNI following a surveillance operation run by Mi5 using an alleged agent...

Let us name MI5 agent to protect women, BBC asks High Court

Let us name MI5 agent to protect women, BBC asks High Court
Mar 2,2022 1:15 am

...A BBC programme wants to name an Mi5 agent because he represents a danger to other women and must be publicly identified to prevent future harm, the High Court has heard...

The Crown: Was Harold Wilson suspected of being a Soviet spy?

The Crown: Was Harold Wilson suspected of being a Soviet spy?
Feb 16,2020 9:10 am

... But what did Mi5 really think? Let me guess, Wilson was a Labour prime minister? Yes, he was a grammar school boy from Huddersfield who went to Oxford and was a Labour prime minister from 1964 to 1970, and again from 1974 to 1976...

General election 2019: What impact on UK security and intelligence?

General election 2019: What impact on UK security and intelligence?
Feb 16,2020 8:44 am

... Domestically, within the three UK intelligence agencies - Mi5, MI6 and GCHQ - political neutrality is overseen by extensive parliamentary and management checks...

London Bridge: Why was the attacker, Usman Khan, out of prison?

London Bridge: Why was the attacker, Usman Khan, out of prison?
Feb 16,2020 8:44 am

...London Bridge attacker Usman Khan came to the attention of counter-terrorism investigators because he was involved in a highly active cell around Stoke-on-Trent, part of a wider network of radicals then headed by Mi5 and the West Midlands Counter Terrorism Unit had intelligence that a group of nine men from London, Cardiff and Stoke, including Khan, wanted to bomb the London Stock Exchange...

UK terrorism threat downgraded to 'substantial'

UK terrorism threat downgraded to 'substantial'
Feb 16,2020 7:49 am

... Assessments determining the country s threat level are taken by the Joint Terrorism Analysis Centre (JTAC) - part of Mi5 - which makes its recommendations independently from the government...

Spotlight IRA plan to hit south east England shows the power supply

Spotlight IRA plan to hit south east England shows the power supply
Feb 16,2020 7:19 am

... But the program shows how to use the key IRA bombers have been caught or killed, after extensive surveillance operations by the British police and Mi5...

MI5 ignored Cold War spy tip-off over 'jealous wife' fears

MI5 ignored Cold War spy tip-off over 'jealous wife' fears
Feb 16,2020 6:32 am

...Convicted British spies Harry Houghton and Miss Ethel Gee were both found guilty of spying and each sentenced to 15 years in prison British intelligence ignored a tip-off about one of the most significant spies of the Cold War because it came from his spurned wife, according to newly-released Mi5 files...

Omagh police shooting: Attack on John Caldwell a wake up call for PSNI

Feb 16,2020 2:58 am

By Julian O'NeillBBC News NI Home Affairs correspondent

Unlike previous chief constables, Simon Byrne , until Wednesday night, had never taken a phone call like it.

It was news that John Caldwell - One of his top investigators - was fighting for his life.

At a press conference The Next day, he spoke of it being a deeply troubling day for an organisation which had suffered so Much in The Past .

Behind him were Memorial Gardens honouring More Than 300 officers murdered in decades gone by.

The Shooting of Det Ch Insp Caldwell sent a shockwave through The Police Service of Northern Ireland (PSNI) and The wider community.

Based on The New IRA being named by The Police as having been responsible, it is arguably The Most significant dissident republican attack in Northern Ireland for many years.

There is a feeling This Was The attempted assassination of a major Target - a " relentless investigator" in The Words of a former colleague Chris Noble, now The Chief constable of Staffordshire Police .

Multiple investigations had brought The 48-year-old detective face-to-face with suspected killers in both Organised Crime gangs and terrorist groups.

But it was The New IRA who sent two gunmen to ambush him off-duty in front of his son at a training session for young footballers.

Someone who worked alongside him said: " Undoubtedly he was a bigger Target because of who he was. "

He lived under several threat warnings, One of which is being linked to his inquiries into The

On The 10Th Anniversary of The Constable 's killing, Det Ch Insp Caldwell was The Public face of a fresh PSNI appeal for information and a determination to bring justice.

In The same County Tyrone town last Wednesday, he came very close to becoming The First Police Officer murdered since Mr Kerr.

The Attack appears to underscore, in brutal fashion, The re-emergence on The New IRA after nearly Four Years of surface level inactivity.

as she watched rioting unfold in Londonderry.

Within a year, its suspected leadership was rounded-up by The PSNI following a surveillance operation run by Mi5 using an alleged agent.

Ten individuals are currently awaiting trial on almost 50 terrorism charges

In The Aftermath , The New IRA was viewed as being in complete disarray and The main narrative pushed in policing and security circles was that threat it posed had been severally blunted.

As a consequence Last Year , for The First Time in More Than a decade, The government announced The Threat level in Northern Ireland was being lowered from severe to substantial.

It might not have sounded Much - The Risk of attack went down from highly likely to likely - But it was a hugely symbolic moment.

Attacks, or attempted attacks, dropped markedly: The Years 2020-22 saw a virtual absence of activity.

But The New IRA was re-organising and

The armour-plated vehicle did its job and two officers inside escaped injury.

The Attack has now been followed-up

So What can be drawn from these events?

Firstly, The New IRA had been disrupted But not crushed.

It does, however, remain a small organisation with insignificant support, all be it One which is Once Again demonstrating an intermittent ability to carry out acts of violence.

It has nothing remotely near The capacity of its predecessor, The Provisional IRA.

Mi5 recordings from The Operation Arbacia case reveal The New IRA as having been desperate to acquire weaponry.

Estimates of members have not been provided for dissemination for years.

But no-One has suggested they have drastically altered from what was briefed out in security circles at that point - perhaps up to 100 people prepared to directly engage in acts of terrorism.

It is scattered operationally around Derry, Strabane and other parts of County Tyrone , and west Belfast.

The New IRA is The biggest and most active of The dissident groups which exist as opponents to The 1998 Northern Ireland peace settlement.

The Continuity IRA has largely been Quiet

which late in 2022 forced a delivery driver At Gunpoint to transport a small bomb to Waterside Police Station in Derry.

There is some sense that dissident groups could be trying to gain a momentum with Stormont down and politics being portrayed as failing.

There is also The approaching 25th anniversary of The Good Friday Agreement, which dissidents see as a capitulation by The republican mainstream to continued partition of The Island of Ireland into The Republic of Ireland and Northern Ireland .

All this will be occupying The minds of The PSNI and Mi5 - which has assumed The Lead role in Intelligence Gathering since 2007.

For PSNI officers, The Shooting of One its most high-profile detectives will serve as a wake up call in terms of personal security.

The vast majority of its 6,700 officers never served in The Royal Ulster Constabulary during The Troubles and are now being urged to be more vigilant than at any point recently.

The security developments arrive at a difficult time for The PSNI.

and it is potentially looking at further significant cutbacks in The Years ahead.

Already at its lowest numbers since its formation two decades ago, it could shrink to around 6,000 officers by 2025.

This will play out politically in coming days and weeks, with The organisation asking can it contend with a reinvigorated dissident threat with diminished manpower and resources?

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Source of news: bbc.com

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