A vulnerability scan shows that an embedded device that Alice is responsible for has a vulnerability. She knows the vendor is no longer in business and that there is no updated firmware or software update for the device. To resolve the issue, Alice places a firewall between the device and the rest of the network and creates rules that prevent the vulnerable service from being available to other devices. What type of control has Alice deployed?

Question $5$ options:

A directive control

A compensating control

A detective control

A procedural control