Certified Ethical Hacker (CEH v11) — Question 148

An unauthorized individual enters a building following an employee through the employee entrance after the lunch rush. What type of breach has the individual just performed?

Answer options

• A. Piggybacking
• B. Announced
• C. Tailgating
• D. Reverse Social Engineering

Correct answer: C

Explanation

The correct answer is C, Tailgating, which refers to an unauthorized individual gaining access by closely following an authorized person. Option A, Piggybacking, implies a similar concept but usually involves the authorized person being aware and allowing the unauthorized entry, which does not apply here. Options B and D are irrelevant to the scenario presented.