In this lecture, students will learn the importance of consumer behavior and deception when it comes to take security decisions. This lecture will provide the student with a conceptual base for understanding the behavior of consumers within the marketing system in a society. Actual marketing research of corporations will be considered in developing the applications side of the consumer topics discussed in this lecture. Students will learn to explain and define the frameworks which contribute to understanding consumer behavior as it affects and influences business activities involving the sale of goods and services in the marketplace. Finally, this lecture will also discuss why sometimes consumer behavior techniques are criticized as being deceptive; in other words, they lead the consumer to buy things that they may not need or want.