CS0-003 Question #86: Real Exam Question with Answer & Explanation

The correct answer is B: CAN bus. The Controller Area Network - CAN bus is a message-based protocol designed to allow the Electronic Control Units (ECUs) found in today’s automobiles, as well as other devices, to communicate with each other in a reliable, priority-driven fashion. Messages or “frames” are received

Submitted by hans_de· Mar 6, 2026Vulnerability Management

Question

An IT security analyst has received an email alert regarding a vulnerability within the new fleet of vehicles the company recently purchased. Which of the following attack vectors is the vulnerability MOST likely targeting?

Options

ASCADA
BCAN bus
CModbus
DloT

Explanation

The Controller Area Network - CAN bus is a message-based protocol designed to allow the Electronic Control Units (ECUs) found in today’s automobiles, as well as other devices, to communicate with each other in a reliable, priority-driven fashion. Messages or “frames” are received by all devices in the network, which does not require a host computer.

Topics

#Automotive security#CAN bus#Vulnerability#IoT security

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