CIS 1000 Chapter 9: Chapter 9.doc

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 1000
• Professor: Jing Yu Zhu

Document Summary

Chapter 9: securing your system: protecting your digital data and devices. Cybercrime; defined as any criminal action perpetrated primarily through the use of a computer. Cybercriminals are individuals who use computers, networks, and the internet to perpetrate crime. Fraud related: auction fraud, nondelivery of ordered items, credit and debit card fraud, advanced fee scams. Computer virus is a computer program that attaches itself to another computer program (host program) and attempts to spread to other computers when files are exchanged. One of the most widespread types of cybercrime. Many are designed to gather sensitive information"s (ex. credit card numbers) Attempt to hide within the code of the host program. Main purpose is to replicate itself and copy its code into as many other files as possible. Displaying annoying messages on the computer screen. Destroying files or contents of entire hard drive. Downloading infected audio or video files from a peer-to-peer file sharing. Email; from downloading or opening an attachment.