The United Kingdom must brace for the possibility of facing a “wartime scenario” on its soil, according to a stark warning contained in the government’s newly released National Security Strategy.
The strategy, published on Tuesday, June 24, outlines escalating global threats, particularly from the Middle East and Russia, as serious causes for concern, urging urgent national preparedness.
The warning comes just two days after Iran threatened to strike UK military bases following the U.S. assault on its nuclear infrastructure.
“For the first time in many years, we have to actively prepare for the possibility of the UK homeland coming under direct threat, potentially in a wartime scenario.”
National Security Strategy
Annual Drills, Cyber Training Proposed
The strategy sets out a series of proactive steps, including “national resilience exercises” that citizens will be encouraged to undertake. These annual drills will assess the nation’s readiness to respond to threats ranging from cyberattacks to physical sabotage.
The document also calls for improved coordination among the public, businesses, and academic institutions on cybersecurity. “This is the task ahead of us: to mobilise the nation in the common cause of our national security,” the strategy declares.
Further, the public will receive information on risk preparedness, while training will be provided for those involved in national resilience, including protection of vital infrastructure.
The report offers a sobering view of the coming years: “The years ahead will test the United Kingdom … The direction it takes – and the decisions we take – will reverberate through the decades.” Despite these daunting challenges, it underscores national optimism, rooted in the “determination of the British people themselves.”
“After all, we do not need to look too far into our history for an example of a whole-of-society effort, motivated by a collective will to keep each other safe. We can mobilise that spirit again and use it both for our national security and the building of our country.”
National Security Strategy
Cabinet minister Pat McFadden addressed Parliament with a blunt assessment, stating that the country must be “clear-eyed and hard-edged” in confronting today’s threats. The strategy singles out increasing Russian cyber sabotage and Iranian “hostile activity” as immediate concerns facing the UK.
The document also signals a tougher stance on China, promising “greater robustness and consistency” in the government’s engagement with Beijing. A cross-government simulation to prepare for potential future pandemics is also scheduled for later this year.
The plan calls on private companies to work closely with law enforcement to mitigate online threats and ensure “human security remains at the forefront of AI.”
European countries are taking similar steps. In late 2024, Sweden sent pamphlets to millions of its citizens outlining how to respond in a wartime emergency. Finland issued fresh national guidance around the same time to help its citizens “prepare for incidents and crises” as the war in Ukraine intensified.
However, not all reactions to the UK’s strategy have been supportive. Shadow Foreign Secretary Dame Priti Patel accused the government of being vague about its defence spending goals. She criticised ministers for offering only “smoke and mirrors,” pressing McFadden to explain when the government plans to meet its targets.
“Why won’t he heed our calls to hit 3 per cent by the end of this parliament, which would be vital, and a vital stepping stone on the way to that higher defence spending that he is seeking?”
Shadow Foreign Secretary Dame Priti Patel

With threats mounting and pressure building at home and abroad, the UK’s strategy signals a major shift toward a more defensive and prepared national posture, evoking a wartime mindset not seen in decades.
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