FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A COMPUTER VIRUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why are computer viruses dangerous?
A
They can invalidate your other software licences.
B
They will cause your browser to popup advertisements
C
They will try to sell you things you do not want.
D
They can run programs that may harm your computer or allow hackers to access your computer.
Explanation: 

Detailed explanation-1: -A computer virus might corrupt or delete data on a computer, use an email program to spread the virus to other computers, or even delete everything on the hard disk. Computer viruses are frequently spread by attachments in email messages or by instant messaging messages.

Detailed explanation-2: -Some computer viruses are programmed to harm your computer by damaging programs, deleting files, or reformatting the hard drive. Others simply replicate themselves or flood a network with traffic, making it impossible to perform any internet activity.

Detailed explanation-3: -A computer virus is a type of malware that attaches itself to other programs, self-replicates, and spreads from one computer to another. When a virus infects a computer, it makes copies of itself and attaches to other files or documents. It then modifies those files and continues to spread.

Detailed explanation-4: -A few years ago, hackers sought recognition and fame. Today, these criminals usually try to use malicious software to steal money from their victims. Viruses and worms are usually used to: Take control of your computer with the aim of using it for fraud without your knowledge.

Detailed explanation-5: -Viruses which are the most commonly-known form of malware and potentially the most destructive. They can do anything from erasing the data on your computer to hijacking your computer to attack other systems, send spam, or host and share illegal content.

There is 1 question to complete.