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PRESENTATION
INTRODUCTION TO
COMPUTER VIRUS
 What is computer virus ?
 Types of computer virus?
 What a computer virus do?
 Sources...
Virus
*A computer virus is a software program with a
ability to make copies of itself ,which attacks
itself to other appli...
Types of computer Virus.
 There are three types of computer virus
Boot virus
Program virus
Micro virus
BOOT VIRUS:
 Boot viruses infects the boot records of hard disk and
floppy disks. Generally these are considered more
dan...
Program Virus
 These viruses infect program files, which have
extensions such as .COM,.EXE.,SYS.,DLL,.OVL, or .SCR.
progr...
Macro Viruses
 These viruses infects data files. For example, Microsoft
word document and template files are susceptible ...
What a computer virus do?
 A virus tries to take control of computer system it has infected
at the first opportunity avai...
Top 5 Sources of Computer
Virus Attack
The most potent and vulnerable threat of computer users is
virus attacks. Virus at...
Best antivirus software.
 Norton antivirus.
 MacAfee virus scan
 Kaspersky antivirus
Norton antivirus
 Norton antivirus is a product of Symantec corporation.
Founded in 1982.
 Notion check the following pr...
MacAfee virus scan
MacAfee, Inc. is an antivirus software and computer security
company headquartered in Santa Clara, Cali...
Kaspersky ANTIVIRUS
 Kaspersky is product of Kaspersky lab,
 A Russian computer security company,
• Co-founded by Nataly...
Computer Virus powerpoint presentation
Computer Virus powerpoint presentation
Computer Virus powerpoint presentation
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Computer Virus powerpoint presentation

  1. 1. PRESENTATION
  2. 2. INTRODUCTION TO COMPUTER VIRUS  What is computer virus ?  Types of computer virus?  What a computer virus do?  Sources of Computer Virus Attack.  Prevention from computer virus  Best antivirus software.
  3. 3. Virus *A computer virus is a software program with a ability to make copies of itself ,which attacks itself to other applications or files.
  4. 4. Types of computer Virus.  There are three types of computer virus Boot virus Program virus Micro virus
  5. 5. BOOT VIRUS:  Boot viruses infects the boot records of hard disk and floppy disks. Generally these are considered more dangerous than program viruses.
  6. 6. Program Virus  These viruses infect program files, which have extensions such as .COM,.EXE.,SYS.,DLL,.OVL, or .SCR. program files are attractive targets for computer virus because they are widely used and have relativity, simple formats to which viruses can attach themselves.
  7. 7. Macro Viruses  These viruses infects data files. For example, Microsoft word document and template files are susceptible to macro virus attacks they spread rapidly as infected documents are shared on networks or downloaded from internet sites.
  8. 8. What a computer virus do?  A virus tries to take control of computer system it has infected at the first opportunity availible.it makes copies of itself and also try to carry harmful task written in its program. This process can happen so quickly that the user is not even aware of the presence of a virus in his/her computer.
  9. 9. Top 5 Sources of Computer Virus Attack The most potent and vulnerable threat of computer users is virus attacks. Virus attacks hampers important work involved with data and documents. It is imperative for every computer user to be aware about the software and programs that can help to protect the personal computers from attacks. One must take every possible measure in order to keep the computer systems free from virus attacks. The top sources of virus attacks are highlighted below: Downloadable Programs Cracked Software Email Attachments Internet Booting From CD
  10. 10. Best antivirus software.  Norton antivirus.  MacAfee virus scan  Kaspersky antivirus
  11. 11. Norton antivirus  Norton antivirus is a product of Symantec corporation. Founded in 1982.  Notion check the following program • Boot record s • Programs(at the time you used them) • All local hard drives, • Files download from internet, • Usb(when in use)
  12. 12. MacAfee virus scan MacAfee, Inc. is an antivirus software and computer security company headquartered in Santa Clara, California. It markets McAfee Virus Scan and related security products and services, including the Intercept, and Found stone brands. ...
  13. 13. Kaspersky ANTIVIRUS  Kaspersky is product of Kaspersky lab,  A Russian computer security company, • Co-founded by Natalya Kaspersky antivirus, do the following things • Invites virus scan by opening the Kaspersky antivirus window.
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