guardduty
nounUK /ˈɡɑːdˌdjuːti/
US /ˈɡɑːrdˌduːti/
A guard duty is a job where someone watches over a place to keep it safe.
The soldier was on guard duty at the gate all night.
OTHER MEANINGS
2. A period of time when a person is assigned to protect or watch something.
He took the first guard duty so his friend could rest.
3. The responsibility of keeping watch over a person or place.
She was given guard duty over the sleeping children.
4. In computing, a service that monitors and protects a system from threats.
The cloud tool called GuardDuty alerts you about suspicious activity.