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COMPUTER SAFETY
08 AND SECURITY
Your Aim
to learn about:
l Protecting Your Computer from Illegal Access l How to Backup Your Important Files?
Other Maintenance Techniques l Malware
l
Antivirus l Firewall
l
Computer safety refers to the protection of computer-based resources against unauthorised use
or physical damage.
PROTECTING YOUR COMPUTER FROM ILLEGAL ACCESS
You have studied about how to keep your computer physically fit. It is equally important to
prevent damage or misuse of data, software or hardware of a computer and restrict unauthorised
access to it.
One of the ways to prevent the misuse of data or software is authentication. Authentication is
the process of verifying a user’s identity before granting him or her access to a computer system.
In private and public computer networks (including the Internet), authentication is commonly
done through the use of login passwords. Knowledge of the password is assumed to guarantee
that the user is authentic.
Some of the authentication procedures as follows:
✶ Password Protection: Protect your
computer using password is an important
step to make the data of computer safe
from unauthorised use. A password is a
word or collection of characters used for
user authentication to prove the identity or
get approval to gain access to the computer.
The password should be kept secret from
those computer who are not allowed to
access your computer.
Password Protection
Computer Safety and Security 89

