Hands-On Industrial Internet of Things

Setting the policies

AWS IoT applies security to protect our system. To allow a device to send data, we need to attach the following statements to the device—iot:Connect, iot:Subscribe, iot:Publish, and iot:Receive.

We do this by creating a policy in AWS that includes these statements, as follows:

1. From the IoT console at https://console.aws.amazon.com/iot/, we can click on Secure, and then Policies, and register a new policy by clicking on the Create a policy button as shown in the following screenshot:

Creating a policy to enforce security

2. Then, we can provide the iiot-book-policy-4-mqtt name and add the iot:Connect, iot:Subscribe, and ...