VIRUS BY CHIRO

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VIRUS BY CHIRO

  1. 1. DEFINITION OF VIRUS A virus is an infectious program which affects computer systems and data. Viruses are spread to any other programs they contact, thus being infectious. A virus will attach a copy of itself to an executable program. Usually attaches with .doc,.xls and exe extensions
  2. 2. TYPES OF VIRUS Worm Trapdoor Backdoor Trojan Horse Salami Attack Logic Bomb Internet time theft
  3. 3. TROJAN HORSE A program in which malicious or harmful code is contained inside apparently harmless programming or data. The software initially appears to perform a desirable function for the user prior to installation and/or execution.Trojan Horse attacks pose one of the most serious threats to computer security.
  4. 4. TYPES OF TROJAN HORSE Remote Access Trojan Data Sending Trojan Proxy Trojan Destructive Trojan FTP Trojan Denial-of-service attack(DoS)
  5. 5. SALAMI ATTACK A salami attack is a series of minor data- security attacks that together results in a larger attack. Crimes involving salami attacks typically are difficult to detect and trace. The salami technique can also refer to aggregating small amounts of information from many sources to derive an overall picture of an organization.
  6. 6. HOW TO COMBAT VIRUS Ensure that your operating system is up- to-date. Have an antivirus installed on your system and ensure you download updates frequently to ensure your software has the latest fixes for new viruses, worms, and Trojan horses. Install a firewall to prevents unauthorized use and access to your computer.
  7. 7. CONCLUSION Viruses are dangerous. You can maintain a relatively safe computer with a little bit of understanding and vigilance. Research any new viruses you hear about to make sure that the threat is real.
  8. 8. SOURCES http://www.support.psi.com/support/spart/virus.ht ml http://www.webopedia.com/DidYouKnow/Internet/ 2004/virus.asp http://virus-informati0n.blogspot.com/ An Introduction To Keylogger, RATS And Malware written by Rafay Baloch Teacher’s Handouts:Introduction to Information and Communication Technology
  9. 9. Group Members:Neville Quinn James(4F)Muhd Saiful Nizam(4F)

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