Who may enter.
WHAT SYSTEMS USE
Cards or tokens Codes Biometric verification Combinations of these
WHY COMBINATIONS
A card can be lent or stolen. A card plus something only the person has or knows cannot be, as easily.
WHAT SHOULD BE RECORDED
Every entry and exit, by person and by door.
WHY EXITS TOO
So it is known who is inside, which matters in an emergency.
WHAT A MANTRAP DOES
Permits one person at a time, preventing others following through an opened door.
WHY THAT MATTERS
Following someone through a door is the simplest way past access control.
WHAT TO ESTABLISH
How access is requested and approved How quickly it is revoked Who may authorise
WHAT TO REVIEW
The access list, regularly.
WHAT YOU WILL FIND
People who no longer need access, and sometimes people who have left.
WHAT TO DO WHEN SOMEONE LEAVES
Revoke the same day, and confirm.
WHAT TO TEST
That revocation actually took effect.