network quarantine
nounUK /ˈnetwɜːk ˈkwɒrəntiːn/
US /ˈnetwɜːrk ˈkwɔːrəntiːn/
A rule that keeps a computer away from other computers so it cannot spread bad software.
The school put the infected laptop in network quarantine until it was cleaned.
OTHER MEANINGS
2. A security setting that blocks a device from the internet until it meets safety rules.
After the update failed, the phone was placed in network quarantine.
3. A temporary state where a whole section of a network is cut off to stop an attack.
The IT team applied network quarantine to the affected subnet.
4. The practice of separating suspicious traffic so it cannot reach trusted systems.
Network quarantine helped contain the worm before it spread.