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take more time to shut down the Windows.
increase the size of the infected files. Tech Fact
change the file names or types automatically. The first widespread
computer virus was
How to Prevent a Virus? BRAIN, created in 1986
in Pakistan.
Download only legal software.
Don’t open any unknown e-mail.
Don’t open any e-mail attachment from unknown sources.
Don’t download music, program or games from unknown sources on the Internet.
Install an antivirus program in your computer system.
Scan Pen Drive, CD and any other external storage device for viruses before opening in computer.
Let’s CatCh uP
Match the following:
1. Melissa (i) First widespread virus
2. Spyware (ii) Macro Virus
3. Stoned (iii) Malware
4. BRAIN (iv) Boot sector Virus
If you are in charge of securing your school's computer lab, what steps would you
take to protect the computers from hackers, and how would you ensure that your
classmates' data stays safe?
ANTIVIRUS
A set of programs that identifies and removes malware is known as antivirus software. You must
have an antivirus software installed on your computer. It detects the virus in the computer and does
not let the virus copy itself on your computer system.
Hundreds of new viruses are developed every hour. Antivirus software developers regularly release
updates on the Internet that allow their programs to detect the latest known viruses. You can update
your copy of antivirus only through the Internet. So, it is essential to have an Internet connection to
update antivirus software.
Some well-known antivirus programs are Norton, AVG, McAfee, Quick Heal, Symantec, SmartDog,
Kaspersky, etc.
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