In November of 2005 it was discovered that many of the new CDs distributed by Sony BMG installed software when they were played on a computer.The software was intended to protect the CDs from copying.Unfortunately,it also made the computer vulnerable to attack by malware run over the Internet.The scandal and resulting backlash was very costly.The software installed by the CDs is a
A)virus.
B)worm.
C)rootkit.
D)squirrel.

Question

Quizplus · Accepted Answer

The term "rootkit" refers to a type of software that is designed to hide its presence on a computer system. The rootkit installed by the Sony BMG CDs was intended to hide the software used to protect the CDs from copying. However, this rootkit also made the computer vulnerable to attack by malware run over the Internet. Therefore, the best choice is C. Neither A, B nor D accurately describe the software installed by the CDs.

In November of 2005 It Was Discovered That Many of the New