Computer virus

Computer virus

Objectives
What is the computer virus
The types of virus
What is Anti-Virus Software
How to protect your computer from virus

Virus
A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. Viruses can also replicate themselves. All computer viruses are man-made

The component of Virus
1- The replication mechanism
2-The protection mechanism
3-The tiger mechanism
4-The payload mechanism

A Virus Can Be Easy to Produce
A simple virus that can make a copy of itself over and over again is relatively easy to produce . Even such a simple virus is dangerous because it will quickly use all available memory and bring the system to a halt. An even more dangerous type of virus is one capable of transmitting itself across networks and bypassing security systems.

What is Anti-Virus Software?
Anti-virus software is a program or set of programs that are designed to prevent, search for, detect, and remove software viruses, and other malicious software like worms, Trojans , adware, and more.

There is many procedures to protect your computer from virus
Keep your software up to date. ...
Don t click on links within emails. ...
Use free antivirus software. ...
Back up your computer. ...
Use a strong password. ...
Use a firewall. ...
Minimize downloads. ...
Use a pop-up blocker.