
AWS IoT Device Defender now offers a disconnected duration metric that enables customers to monitor IoT device connectivity status and automatically detect anomalous disconnection behavior for fleet management and security compliance.


<div><p>This article explains how to use AWS IoT Device Defender's new disconnected duration metric to monitor device connectivity and detect anomalous disconnection behavior.</p><ul><li>New metric monitors IoT device disconnection duration and triggers alerts based on thresholds</li><li>Helps identify devices vulnerable to security risks or requiring maintenance intervention</li><li>Integrates with SNS for notifications and SQS for message queuing</li><li>Enables fleet indexing queries to find disconnected devices and create dynamic groups</li><li>Supports automated remediation actions like device updates or decommissioning</li><li>Step-by-step walkthrough includes creating security profiles, simulating devices, and querying violations</li></ul><p>The disconnected duration metric simplifies device fleet management and security compliance by automating detection of long-disconnected devices without custom solutions.</p></div>


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