UK terrorism threat level
Official figureSevere
An attack is highly likely.
Low
an attack is highly unlikely
Moderate
an attack is possible but not likely
Substantial
an attack is likely
Severe
an attack is highly likely
Critical
an attack is highly likely in the near future
Set by the Joint Terrorism Analysis Centre (JTAC) and MI5. Scope: United Kingdom (England, Wales, Scotland and Northern Ireland). We publish it exactly as issued and never adjust it.
SourceGOV.UK — Terrorism threat levels (14 August 2026)





