Which of the following best describes bluesnarfing?
A. Driving around with a laptop configured to listen for open access points
B. Sending broadcast spam from a nearby Bluetooth-enabled device
C. Deleting data on a Bluetooth device that has opened a connection
D. Marking landmarks to indicate an available open access point
The Correct Answer and Explanation is:
The correct answer is:
C. Deleting data on a Bluetooth device that has opened a connection
Explanation (300+ words):
Bluesnarfing is a type of cyberattack involving the unauthorized access and manipulation of data on a Bluetooth-enabled device. Specifically, it occurs when an attacker connects to a Bluetooth device without the owner’s knowledge or consent and accesses, copies, or deletes data such as contacts, messages, emails, calendars, or files.
The term “Bluesnarfing” is derived from “Bluetooth” and “snarfing” (a slang term for grabbing or stealing). It exploits vulnerabilities in the Bluetooth protocol, particularly when a device is in “discoverable” mode. If a Bluetooth device does not have strong authentication or if it uses outdated security protocols, an attacker can exploit these weaknesses to initiate a connection. Once connected, the attacker can delete, steal, or manipulate the device’s data, which is what option C refers to.
Let’s briefly examine the other options to clarify why they are incorrect:
- A. Driving around with a laptop configured to listen for open access points
This describes wardriving, not bluesnarfing. Wardriving involves locating unsecured Wi-Fi networks, usually by driving around with a Wi-Fi-enabled device. - B. Sending broadcast spam from a nearby Bluetooth-enabled device
This is more accurately described as bluejacking, where unsolicited messages (usually harmless) are sent to Bluetooth devices within range. It doesn’t involve stealing or deleting data. - D. Marking landmarks to indicate an available open access point
This describes warchalking, which involves using symbols (chalk marks) to indicate nearby open Wi-Fi networks.
Bluesnarfing is considered a serious security risk because it can occur without the user even being aware that their device was accessed. Today, most modern smartphones and Bluetooth devices include security features that mitigate the risk of bluesnarfing, such as non-discoverable modes, authentication requirements, and encryption. However, users should still be cautious and disable Bluetooth when not in use to prevent potential unauthorized access.