Read this 52 page white paper on Information Warfare:
INFORMATION WARFARE:
COMBATING THE THREAT IN THE 21ST CENTURY
A Research Paper
Presented To
The Research Department
Air Command and Staff College
In Partial Fulfillment of the Graduation Requirements of ACSC
by
Major Mary M. Gillam
March 1997
http://www.fas.org/irp/threat/cyber/97-0603C.pdf