Can't see any contact details, but just noticed the app https://splunkbase.splunk.com/app/4761/ has a spelling mistake in the description in the overview.
Cisco Threat Response Add-On for Splunk provides a custom search command allowing users to query Cisco Treat Response for targets and verdicts from observables within a Splunk instance.
"Treat" I am pretty sure should be "Threat"
Good that you found something good, I guess you need to raise a case with the Splunk support they can be helpful with this and they can reach the respective department to make the changes.
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