Computer Virus
A computer virus is a piece of code that enters the system that damages the regular working of the computer. The computer viruses are all man made and they make the computer run against your wish. The computer viruses can takes over a great space in the hard disk.The main causes for Computer viruses are:
-Infected Flash Drives or Disks
- email attachments
-unknown infected websites
-use of pirated software
What are the different types of Viruses?
The different types of viruses are-CodeRed:-This is a worm that infected the function of the Microsoft IIS Server. This is the Virus that posed an attack on the White House's Website.
-Nimba:- It is the kind of Virus that spreads itself using different methods. It can make changes to pre-existing file, change the security system and degrades the performance of the computer
-Sircam:- This kind of virus is spread via email. It degrades the performance and also delete's the files. This kind of Virus can be sent to anyone.
- Melisa:- This is a virus that send itself to 50 people if Microsoft Outlook is installed on the device. It disables different safeguarding setting in MS Word.
- Ripper:- It corrupts the data from the hard disk
- MDMA:- It transfers between the two MS Word file in the memory.
- Concept:- This kind of virus is also spread around via email attachments. They save the file in template directories instead of storing them in their Original Locations.
How can we protect our computers from Anti-viruses?
The computer can be protected from Anti-Viruses by the following precaution
- The latest version of Anti- virus software should be installed in our computers.
-The anti-virus should be updated regularly.
-USB drive should be scanned for viruses and shouldn't be used on infected computers.
- Unauthorized or pirated software shouldn't be installed on the computer.
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References
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