On 30 April 2026, the UK’s national terrorism threat level was raised from SUBSTANTIAL to SEVERE, indicating that an attack is highly likely. The change, communicated via ProtectUK, reflects an increased risk environment requiring immediate attention from organisations across all sectors.
A SEVERE threat level necessitates a proactive and structured response. Businesses and organisations are strongly advised to review their existing protective security arrangements to ensure they remain robust, relevant, and capable of responding effectively to potential threats.
Key considerations include reviewing physical and technical security measures, validating emergency response and evacuation procedures, and ensuring that personnel are adequately trained and informed. Organisations should also consider whether additional contingencies are required to address heightened risk levels.
ProtectUK has published updated guidance to support organisations in strengthening their security posture. This can be accessed here:
https://matomo.protectuk.police.uk/a6414e
In an evolving threat landscape, preparedness and resilience are critical. Regular review and adaptation of security measures remain essential to safeguarding people, infrastructure, and operations.
