Computer crime

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The document discusses various types of cyber attacks including denial of service attacks, spam, salami slicing, viruses, worms, Trojan horses, and different methods viruses use to infect systems like file viruses, boot sector viruses, and timing bump viruses. It also mentions how these attacks can be carried out through email servers and outlines some best practices for prevention, like keeping systems updated with the latest patches and using antivirus software.

Technology News & Politics

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Salami Slicing 

Denial of Service Attack (DSA) 
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Spam (bulk email or junk email) 

Worms
Trojan Horses
Boot Sector

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Viruses
File Viruses
Timing Bump

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The document discusses computer networking components including servers, clients, workstations, webcams, network operating systems, and how digital and analog signals are modulated and demodulated when transmitted over modems. It also describes different types of networking devices like routers, bridges, hubs, gateways, and cables like twisted pair, coaxial, fiber optics that can connect various devices wirelessly or through broadcasts. Wireless technologies like wireless LANs, hotspots, and microwave and satellite systems are also summarized for transmitting data over wide area networks.

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The document describes a 3-step probabilistic model. In the first step, it calculates the probabilities of three outcomes based on initial probabilities. In the second step, it factors in uncertainty and calculates new probabilities. In the third step, it takes the results from step two and models how probabilities change based on additional factors. The document provides the specific probabilities and calculations for each step.

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