Actions you can take :
1. Scan often, Scan early.
There will be an avalanche of vendor advisories and new plugin. Scan frequently to gain visibily into exposure.
2. Use Dynamic Checks
Dynamic checks incorporate the "attackers external perspective" and are more accurate for Log4Shell.
3. Use the Tenable Community
If you have a question, turn to the tenable Community. Take advantage of knowledgeable article and peer insights.
If you have any concern to gain visibility on your assets contact firstname.lastname@example.org