It's been said that most CISOs last anywhere from just 11 to 18 months on the job. The reason is simple: CISOs aren’t often aligned with the business, which means that what it takes to get to the CISO seat is usually not what’s needed when sitting in it.
Once you’ve successfully completed the physical security of your environment, it is time to examine its logical security. Logical security should reflect the administrative security of the environment. It is the mapping of the administrative security to its logical counterparts.