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Hundreds of new viruses are created every hour. To counter this, antivirus software developers
regularly release updates online, allowing their program to detect the latest threats. Updating
your antivirus software can only be done through the Internet, making an Internet connection
essential for maintaining protection throughout the day.
Eradicating a virus means cleaning a computer of malware. There are several methods for this:
Removing the virus code from the infected file.
Deleting the infected file.
Quarantining the infected file by moving it to a location where it cannot be run.
Informing the user about the presence of malware and the actions taken.
Isolating all infected files and applications to prevent further spread.
Some well-known antivirus programs include Norton, McAfee, Quick Heal, AVG, Symantec,
SmartDog, and Kaspersky, etc.
Tech Tweak
Scan your files with antivirus software before opening or downloading them from the
Internet. If the antivirus detects a virus, clean the file. If the software can’t clean it, delete
the file.
FIREWALL
The term 'firewall' originally meant a wall built to constrain a fire within a building. On a computer,
a firewall is a security system—either software or hardware—that controls the traffic coming in
and out of your network based on specific rules. It acts like a gatekeeper, blocking unauthorised
access and checking each data packet against these rules to decide if it should be allowed
through. A firewall creates a barrier between a secure internal network and an external, less
trusted network, like the Internet, by monitoring and controlling incoming and outgoing network
traffic based on predetermined security rules.
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