01/29/2026
The easiest building security problem to relate to?
“One code for everyone.”
It starts as a quick fix for a vendorand ends with half the building knowing the PIN.
Then something happens in the lobby and nobody can confidently tell who came in, because shared codes kill accountability.
Quick fix you can start this week: unique PINs per vendor + expiration dates. Even access control experts warn that one common PIN is extremely vulnerable and recommend unique PINs and regular changes.
How we think about access control as a system (not a quick install):
https://lvdgroupusa.com/about/