Which set of attributes is used by IoT Security to identify and classify appliances on...

IoT SecurityusesMAC address,device manufacturer, andOS informationtoidentify and classify devicesvia Device-ID.

“IoT Security uses passive network traffic analysis to fingerprint devices based on the MAC address, manufacturer, and operating system to ensure accurate classification.”

(Source: IoT Security Device-ID and Classification)

These attributes provide a robust, manufacturer-agnostic method to fingerprint IoT devices.