Which of the following is a type of computer security that deals with protection against spurious
signals emitted by electrical equipment in the system?

A.
Communication Security

B.
Physical security

C.
Emanation Security

D.
Hardware security

Explanation:

Emanation security is one of the types of computer security that deals with protection against
spurious signals emitted by electrical equipment in the system, such as electromagnetic emission
(from displays), visible emission (displays may be visible through windows), and audio emission
(sounds from printers, etc). Answer option D is incorrect. Hardware security helps in dealing with
the vulnerabilities in the handling of hardware.
Answer option B is incorrect. Physical security helps in dealing with protection of computer
hardware and associated equipment.
Answer option A is incorrect. Communication security helps in dealing with the protection of data
and information during transmission.