Tenable OT Security 3.13.36 Release Notes (2022-05-22)

You can download the Tenable OT Security (OT Security) update files from the Tenable downloads page.

Note: Starting with version 3.13, OT Security only supports Tenable Core. OT Security no longer supports Atomic OS. If you are unsure of what OS you have or how to upgrade to Tenable Core, contact Tenable support.

New Features

Suricata Signatures for Detecting Triton attacks

OT Security added new Suricata signatures to flag exploitation attempts from the Triton attack.

Use of HTTP Proxy in OT Security (Tenable Vulnerability Management and Plugins updates)

OT Security now enables its services to access the internet using the proxy host configured in Tenable Core.

Note: While it is possible to configure an HTTPS proxy in Tenable Core, it does not work.

Support of DIGEST Authentication Method for Banner Grabbing

OT Security now grabs banners that use the DIGEST authentication method.

Integrated Tenable Product Compatibility

The following table lists the Tenable product versions tested with OT Security 3.13.35.

Product Tested Versions
Tenable Security Center 5.11 and later
Nessus 8.10.1 and later