The head of Britain’s domestic intelligence agency has warned that counterterrorism efforts are now operating on a scale comparable to those targeting state-level threats, signaling a shift in the security landscape. The assessment reflects growing concerns over both foreign interference and homegrown extremism as key priorities for intelligence services. With resources stretched across multiple fronts, officials are grappling with how to balance responses to evolving risks. The statement underscores the expanding scope of modern security challenges beyond traditional terrorism concerns.


Sir Ken McCallum says operations to tackle terrorism and state threats are now roughly of an "equal scale".