A company's gate access logs show multiple entries from an employee's ID badge within a two- minute period. Which of the following is this an example of?

The correct answer is A. RFID cloning. RFID cloning is correct because the scenario describes an attacker who copied (cloned) the employee's badge credentials and used the cloned badge to gain entry - producing duplicate access log entries from the same ID in rapid succession, which is physically impossible for one pe

Submitted by hans_de· Mar 6, 2026Threats, vulnerabilities, and mitigations

Question

Options

ARFID cloning
BSide-channel attack
CShoulder surfing
DTailgating

How the community answered

(62 responses)

A
81% (50)
B
3% (2)
C
5% (3)
D
11% (7)

Explanation

RFID cloning is correct because the scenario describes an attacker who copied (cloned) the employee's badge credentials and used the cloned badge to gain entry - producing duplicate access log entries from the same ID in rapid succession, which is physically impossible for one person.

Why the distractors are wrong:

B. Side-channel attack exploits indirect information leakage (power consumption, timing, electromagnetic emissions) from a system - not badge duplication.
C. Shoulder surfing is visually observing someone enter a PIN or password - it requires no hardware cloning.
D. Tailgating is physically following an authorized person through a door without using any credential at all - there would be no second log entry.

Memory tip: Think "clone = two of the same." If you see duplicate log entries from the same badge in an impossibly short window, someone made a copy - that's the RFID cloning tell. Tailgating leaves no extra log entry; cloning leaves two.

Topics

#RFID#Cloning#Physical Security#Access Control

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