How common is security.txt in financial services

I very matter of factly told a colleague that security.txt is a well-known standard but it&#x27;s not widely used in "major corporations". In the context of our conversation I took "major corporations" to mean financial services. I didn&#x27;t have the data on hand to back up the claim. I compiled a list of 207 financial services domains 1 . Banks, insurers, pension providers, etc., a bit more…