Auser asks a security practitioner for recommendations on securing a home network. the user recently purchased a connected home assistant and multiple iot devices in an effort to automate the home. some of the iot devices are wearables, and other are installed in the user’s automobiles. the current home network is configured as a single flat network behind an isp-supplied router. the router has a single ip address, and the router performs nat on incoming traffic to route it to individual devices.