The most insidious part of Phishing and Spear Phishing attacks comes from which part of the attack anatomy?

A.
Each Phishing and Spear Phishing attack is socially engineered to trick the user to provide information to the attacker.

B.
Phishing and Spear Phishing attacks always have malicious code downloaded onto the user�s computer.

C.
Phishing and Spear Phishing attacks always are poorly written.

D.
Phishing and Spear Phishing attacks are rarely successful.

Explanation:
A is the correct answer because in order to a phishing or spear phishing attack to be successful, the victim must provide information to the attackerthere is always a component of social engineering which causes the victim to provide that information.

Incorrect Answers and Explanations: B, C, and D: B is incorrect because some phishing attacks are simply looking for information and contain no malicious code. C is incorrect because some spear phishing attacks are very well written. D is incorrect because some phishing attacks are very successful.