Detections
Analytics

Device Presence Anomaly Detected (High)

high Tenable OT Security Plugin ID 503200

Synopsis

A device presence anomaly has been detected.

Description

It is important to know what assets exist in your network. New assets can indicate unexpected network connections, third-party connectivity, or potential threats to the network.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Make sure that the asset is expected to be at this IP and is familiar to you or to other asset owners. If you are not familiar with the asset, contact the relevant network admin to check if new devices have been connected. In case this asset is not familiar to you or to other network admins, consider isolating the asset for further investigation

Plugin Details

Severity: High

ID: 503200

Version: 1.1

Type: remote

Published: 5/5/2025

Updated: 5/5/2025

Supported Sensors: Tenable OT Security