Cyber Threat levels

The threat level indicates the likelihood of a terrorist attack in the UK.

National threat level

The threat to the UK (England, Wales, Scotland and Northern Ireland) from terrorism is substantial.

Northern Ireland-related threat level

The threat to Northern Ireland from Northern Ireland-related terrorism is substantial.

Threat levels

There are 5 levels of threat:

Low - Attack is highly unlikely

Moderate - Attack is possible but not likely

Substantial - Attack is likely

Severe - Attack is highly likely

Critical - Attack is highly likely in the near future

The level is set by the Joint Terrorism Analysis Centre and the Security Service (MI5).

Threat levels do not have an ex