With most facilities, employee turnover is a fact of life. As employees come and go, they have to have the correct keys made to allow them to access your facility. The more secure the locking system, the more expensive it is to have keys made, and the longer the turnaround time.
In some cases, the departure of an employee can mean that entire locking systems have to be changed for all points of entry, and new keys issued to all employees. When you’re managing multiple areas, the expense can be significant.
Access control systems are much less expensive to update, costing only a small amount of staff time. Most cards and fobs used with maglock systems can be re-magnetized over and over again as codes change. In the case of number pad codes, it’s simply a matter of enabling new access codes.