This was done several years ago by another: see here.
The issue is that, even if you have the most secure, multi-factor biometric and smart card reader, it's still more than likely transmitting that data back to the access control panel via Wiegand
, which is offers not even the slightest bit of security against interception, replay, etc. OSDP
has been around for a while and offers encryption to at least combat this, but, honestly, nobody freaking cares, and the lack of industry adoption of OSDP reflects this. There's a dozen and a half easier ways to get into a building.