Obfuscating vCard Download URLs

I'm trying to determine the best way to "protect" vCard downloads on a domain (quotations on purpose). A client of mine wants to start using NFC business cards and have them link to vCards for their employees instead of their company directory on their website.

Right now, we have it set up as a subdomain link in a /vcard/ directory with 20 random characters appended to the end of the base file name. I understand that obfuscation is not a …

cybersecurity download urls