@neil Yes, as anyone should! I’ve written about it, convinced a vendor to create one, and even made a
#PowerShell module to fetch and parse them:
https://github.com/rhymeswithmogul/SecurityTxtToolkit #SecurityTxt 
GitHub - rhymeswithmogul/SecurityTxtToolkit: A PowerShell module for generating and parsing "security.txt" files.
A PowerShell module for generating and parsing "security.txt" files. - rhymeswithmogul/SecurityTxtToolkit
GitHub