Question

A …….. is a virus that is often disguised as a useful computer program. CBSE 2012
(a) trojan horse
(b) hacker
(c) worm
(d) spam

Answer 1

A Trojan horse is the virus that is often disguised as a useful computer program.

Explanation:

Also known as Trojan, it is one of the most dangerous and commonly found viruses that can harm your mobile device or computer completely.

They are usually thought of useful or benign software that gets downloaded from the internet.

But in reality, they carry dangerous codes that can harm your system.

Answer 2

A Trojan horse is a virus that is often disguised as a useful program.

Trojan horse is a malware that misguides people of the actual purpose of a program. It gains access to an individual’s personal information and deletes his/her files. A Trojan can also affect several files connected to the same network.

Trojan horse often takes advantage of security flaws in older browser versions to perform the attack. It often appears through the least suspicious methods such as when you fill up a form or click an advertisement on social media.