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Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
Computer viruses
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Computer viruses

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  • 1. Done by: Abir Almaqrashi Ahlam Alabri Shiekha AlRashdi
  • 2. The Outline  Definition of viruses.  Why people create viruses.  How the viruses enter your computer.  Examples of viruses.  Protecting information & computer.  Definition of antivirus.  Antivirus functionality.  Examples of antivirus.  Selecting an antivirus.
  • 3. It is a small software program that is designed to replicate itself. It has a negative effect, such as causing a program to operate incorrectly or corrupting a computer's memory. What is a Computer Viruses
  • 4. Why people create computer viruses  To make money.  To steal account information.  To cause problems and trouble for others.
  • 5. How the viruses enter your computer? 1. Internet  Software , gaming and multimedia downloads  Opening e-mail attachments  Accepting without reading 2. Devices  USB devices  CD,DVD  Bluetooth device.  Mobile devices.
  • 6. Examples of Viruses 1. Boot Sector Virus 2. Macro Virus 3. File Virus 4. Steath Virus 5. Polymorphic virus 6. Multipartite Virus 7. Worm 8. Trojans 9. shortcut virus
  • 7. How to protect information in general. Keep your computer clean and cool . Use clean, steady power source . Keep backups. Use good password. Keep your OS up to date. Run a personal firewall. Delete spam Do not install shareware Download and install a spyware removal tool.
  • 8. How to protect your computer from viruses  Technical measures Anti-virus software Update  Check mail-servers  Reject all e-mails of dangerous or unknown extensions
  • 9.  Back up your important files  scan any removable hardware  Install security updates for your operating system and programs How to protect your computer from viruses
  • 10. The definition of antivirus. antivirus" is protective software designed to defend your computer against malicious software.
  • 11. How Antivirus Software Works  On-Access Scanning  Full System Scans  Virus Definitions  Heuristics
  • 12. Examples of Anti-Virus Software  Shield Deluxe  Trend Micro  Norton Antivirus  Panda Antivirus Pro
  • 13. Examples of Anti-Virus Software  Zone Alarm Anti-Virus  Vipre Antivirus  BitDefender Antivirus  Kaspersky Antivirus
  • 14. How to Choose the Right Antivirus Software for Your PC 1. narrowed the list to meet your operating system 2. narrowed the list to meet your usage needs 3. check the major certification and testing agencies 4. (detection) check out the test scores 5. Evaluation
  • 15. The top 10 antivirus software 2013 reviewed by (toptenantivirus.net ) BitDefender Antivirus Vipre Antivirus Perfect Antivirus Kaspersky Antivirus 5 Norton Antivirus ESET Nod32 Antivirus 5 F-Secure Antivirus TrendMicro Titanium Antivirus Zonealarm Antivirus McAfee Antivirus Plus

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