Computer Security
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 prev...
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