What are some best practices for securing your AWS IoT device using the SDK?

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Grade: Education Subject: Support
What are some best practices for securing your AWS IoT device using the SDK?
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Always use X.509 certificates for authentication. Enable TLS encryption for all MQTT connections. Regularly rotate your certificates. Implement proper access control policies in AWS IoT Core to restrict device permissions. Keep your SDK and dependencies updated to benefit from the latest security patches.