Once an IoT device is shipped, its manufacturer typically has very little information about what is going on with it in the field. IoT devices, sensors and actuators installed and deployed across the globe.
Also, while IoT devices are often lumped together, they are far from being uniform in design or function.
Taking the Temperature with Anomaly Detection https://sternumiot.com/ is a security and observability platform purpose-built for IoT solutions.
The ability to know how every device is supposed to operate is key to creating a solution that every IoT manufacturer could use.