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Computer Security

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computer security risks Definition of computer security risk: Any event or action that could cause a loss of or damage to computer hardware, software, data, information or processing capability.   Malicious code • Malicious code is code causing damage to a computer or system . It is code not easily or solely controlled through the use of anti-virus tools. • Definition : A computer virus is a potentially damaging computer program that affects or infects, a computer negatively by altering the way the computer works without the user’s knowledge or permission. • Examples: Melissa, Tequila, Cascade, Invader   • A worm is a program that copies itself repeatedly . • Examples: Jerusalem, Sobig ,    Nimda , Morris Worm • A program that hides within or looks like a legitimate program . It does not replicate itself to other computers • Examples: Netbus , Back Orifice, Subseven , Beast Unauthorized access & use • To help prevent unauthorized ac
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computer ETHICS & SECURITY

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Rules of Netiquette • Netiquette, or net etiquette , refers to etiquette on the Internet .  • Is the code of acceptable behaviours users should follow while on the Internet or online or cyberspace . • It is the conduct expected of individuals while online . • Rules for all aspects of the: q World Wide Web q E-mail q Instant Messaging q Chat rooms q Newsgroups & message board.                                              When do these rules apply? Anytime when you are using… • Chatting online   • Using email • Posting to a discussion • Blogging • Playing online games       Areas of computer ethics Definition of Computer Ethics: The moral guidelines that govern the use of computers, mobile devices and information systems. Information Accuracy • One of the concern because many users access information maintained by other people or companies, such as on the Internet. • Do not assume all the information
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