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Defender-IoT-micro-agent for Eclipse ThreadX security alerts and recommendations (preview)

  • Artikkeli

Defender-IoT-micro-agent for Eclipse ThreadX continuously analyzes your IoT solution using advanced analytics and threat intelligence to alert you to potential malicious activity and suspicious system modifications. You can also create custom alerts based on your knowledge of expected device behavior and baselines.

A Defender-IoT-micro-agent for Eclipse ThreadX alert acts as an indicator of potential compromise, and should be investigated and remediated. A Defender-IoT-micro-agent for Eclipse ThreadX recommendation identifies weak security posture to be remediated and updated.

In this article, you find a list of built-in alerts and recommendations that are triggered based on the default ranges, and customizable with your own values, based on expected or baseline behavior.

For more information on how alert customization works in the Defender for IoT service, see customizable alerts. The specific alerts and recommendations available for customization when using the Defender-IoT-micro-agent for Eclipse ThreadX are detailed in the following tables.

Note

Defender for IoT plans to retire the micro agent on August 1, 2025.

Defender-IoT-micro-agent for Eclipse ThreadX supported security alerts

Device-related security alert activity Alert name
IP address Communication with a suspicious IP address detected
X.509 device certificate thumbprint X.509 device certificate thumbprint mismatch
X.509 certificate X.509 certificate expired
SAS Token Expired SAS Token
SAS Token Invalid SAS Token signature
IoT Hub security alert activity Alert name
Add a certificate Detected unsuccessful attempt to add a certificate to an IoT Hub
Addition or editing of a diagnostic setting Detected an attempt to add or edit a diagnostic setting of an IoT Hub
Delete a certificate Detected unsuccessful attempt to delete a certificate from an IoT Hub
Delete a diagnostic setting Detected attempt to delete a diagnostic setting from an IoT Hub
Deleted certificate Detected deletion of a certificate from an IoT Hub
New certificate Detected addition of new certificate to an IoT Hub

Defender-IoT-micro-agent for Eclipse ThreadX supported customizable alerts

Device related activity Alert name
Active connections Number of active connections isn't in the allowed range
Cloud to device messages in MQTT protocol Number of cloud to device messages in MQTT protocol isn't in the allowed range
Outbound connection Outbound connection to an IP that isn't allowed
Hub related activity Alert name
Command queue purges Number of command queue purges outside the allowed range
Cloud to device messages in MQTT protocol Number of Cloud to device messages in MQTT protocol outside the allowed range
Device to cloud messages in MQTT protocol Number of device to cloud messages in MQTT protocol outside the allowed range
Direct method invokes Number of direct method invokes outside the allowed range
Rejected cloud to device messages in MQTT protocol Number of rejected cloud to device messages in MQTT protocol outside the allowed range
Updates to twin modules Number of updates to twin modules outside the allowed range
Unauthorized operations Number of unauthorized operations outside the allowed range

Defender-IoT-micro-agent for Eclipse ThreadX supported recommendations

Device-related activity Recommendation name
Authentication credentials Identical authentication credentials used by multiple devices
IoT Hub-related activity Recommendation name
IP filter policy The Default IP filter policy should be set to deny
IP filter rule IP filter rule includes a large IP range
Diagnostics logs Suggestion to enable diagnostics logs in IoT Hub

All Defender for IoT alerts and recommendations

For a complete list of all Defender for IoT service related alerts and recommendations, see IoT security alerts, IoT security recommendations.

Next steps