Physical security has been around since the first caveman guarded his mammoth
skins and clubbed his neighbor over the head for trying to steal them. Because of its
long history, physical security is a very mature field. However, as many InfoSec professionals
start out as technicians, this aspect of security is often overlooked. In most
circumstances, security is completely compromised once physical access is achieved.
With physical access, attackers can disable, reconfigure, replace, and/or steal systems.
Security is only as strong as the weakest link, and no amount of firewall protection,
intrusion detection, or network security does any good if an attacker can simply
walk off with the...