Key cards at a bank are not tied to individuals, but rather to organizational roles. After a break in, it
becomes apparent that extra efforts must be taken to successfully pinpoint who exactly enters
secure areas. Which of the following security measures can be put in place to mitigate the issue
until a new key card system can be installed?

A.
Bollards

B.
Video surveillance

C.
Proximity readers

D.
Fencing

Explanation: