Buffer Overflow Intro. ©2002, Jedidiah R. Crandall, Susan L. Gerhart, Jan G. Hogle.  http://sfsecurity.pr.erau.edu
What is a buffer?
An example of a buffer:
A place to fill in your last name on a form where each character has one box.  SMITH fills five boxes, GALLERDO fills eight.

Techie Nomenclature: a “buffer is used loosely to refer to any area of memory where more than on piece of data are stored.