Chapter 9, Problem 19RQ

Explanation of Solution

Physical security:

Physical security is giving protection to physical items or objects or even areas from an unauthorized access. That is, it gives protection physically to people, system, hardware and some resources that are connected with the management.

Data interception:

Data interception is considered as a part of physical security, because it addresses design, execution and maintenance. It is one of the serious problems among computer systems.

Fundamental ways that information could be intercepted:

• Direct observation:
  • Direct observation requires individuals to have sufficient space in order to breach confidentiality.
  • If an employee does his work or opens the documents in home or other commercial places, the chances of observation increases.
• Interception of data transmission:
  • During the transmission of information, interception could occur via sniffers and tapping into a LAN (Local Area Network)...