AWS IoT Device Defender makes it easy to audit configurations, authenticate devices, detect anomalies, and receive alerts to help secure your IoT device fleet. Audit the security posture of IoT resources across your device fleet to easily identify gaps and vulnerabilities. Use machine learning (ML) models or define your own device behaviors to monitor traffic from a malicious IP or a spike in connection attempts. Get security alerts when an audit fails or behavior anomalies are detected. Quickly take actions to minimize operational risk. Easily mitigate security issues through built-in actions such as updating a device certificate, quarantining a group of devices, or replacing default policies.