This should work for a garage-to-hallway door nicely.
Necessary to determine if DNSSEC is able to be used.
They have some others but this seems like the value play.
Can Google Authenticator on a phone require or unlock with an NFC key at all?
Cloud-service-dependent. Maybe it can be self-managed?
Since it's just a relay and uses an Internet service, it seems like it would be easy to replace with GPIO or a Z-Wave relay, and linking it to Vera or OpenHAB. Or, maybe just an authenticated web login?
Huawei is suspect, too
It seems like Comcast has to push out the update, and it removes the remote restart capability. There is a "restart modem" in the customer portal, so I'm not sure if those use the same mechanism.
They don't specify which models are compliant, but they are fully aware of the law, including the SoC origin.
competition for Dahua and Hikvision