Easy access to your mailbox
This image has been taken while performing a physical security assessment and shows the vulnerability of a stuffed mailbox. This mailbox has not been emptied in a while and can easily be accessed by outsiders. It was not even necessary to pick locks.
Insecure key switch
The following image displays an insecure key switch. This switch in particular controls the access to a company building. Although an attacker might try to break the lock, a screwdriver is everything one would need to gain entry.