Requiring identification when issuing a replacement or additional key.
B.
Installing a key card system
C.
Changing locks when a room key is missing (assuming the hotel does not have a key card system in place)
D.
Limiting the number of keys issued to employees.
E.
Installing elevators that require a key to activate,and refusing to give out room information—period. The front desk agent should always phone guests to verify visitors or inquiries.
F.
Not having room numbers displayed anywhere on the key, and placing key drop boxes behind the counter on the front desk, not on top of the counter.
G.
Writing, not announcing, the assigned room number when a guest checks in, and regularly inspecting room locks for damage and wear.