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. Explanation of computer security risk: Other intruders indicate some evidence of their presence either by leaving a message or by deliberately altering or damaging data. Any illegal act involving a computer generally is referred to as a computer crime. Cybercrime refers to online or Internet-based illegal acts. Software used by cybercriminals sometimes is called crimeware. Type of malicious code Discription Example Computer virus A potentially damaging computer program that effects, or infects, a computer negatively by altering the way the computer works without the user's knowlegde or permission. Melissa, Tequila, Cascade, Invader Worms Malicious-logic program that copies itself repeatedly. Jerusalem, Sobig, Nimda, Morris Worm Trojan Horse A program that hides within or looks like a legitimate ...
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