Page 859 - (ISC)² CISSP Certified Information Systems Security Professional Official Study Guide
P. 859
Chapter 12
Secure Communications and Network Attacks
THE CISSP EXAM TOPICS COVERED IN THIS CHAPTER
INCLUDE:
Domain 4: Communication and Network Security
4.3 Implement secure communication channels according to
design
4.3.1 Voice
4.3.2 Multimedia collaboration
4.3.3 Remote access
4.3.4 Data communications
4.3.5 Virtualized networks
Data residing in a static form on a storage device is
fairly simple to secure. As long as physical access control is maintained
and reasonable logical access controls are implemented, stored files
remain confidential, retain their integrity, and are available to
authorized users. However, once data is used by an application or
transferred over a network connection, the process of securing it
becomes much more difficult.
Communications security covers a wide range of issues related to the
transportation of electronic information from one place to another.
That transportation may be between systems on opposite sides of the
planet or between systems on the same business network. Once it is
involved in any means of transportation, data becomes vulnerable to a

