Currently, the units are being used for protective security or in military operations, where their deployment can be carefully planned.

"If I cannot be assured of their protective security, we don't send them in," he said.

Any major decisions or investment relating to protective security should always be taken in consultation with the wider sources of advice and information that are available.

Government departments have lead responsibility for ensuring appropriate steps are taken within their sectors to improve protective security.

He worked in protective security early on, meaning he looked after mundane matters like confidential files and secured buildings.

The government then ordered protective security placed around Athas's home, which would remain until 2007.

This body advises businesses and organisations within the UK's national infrastructure about protective security.

Better protective security will help reduce our vulnerabilities to terrorist attack.

The main changes are the references to the contributions protective security can make to mitigating the impact of firearms attacks.

We have excellent defences and protective security is a fundamental part of cyber security.