Basic Computer Maintenance Chatham University Information Technology Team.

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Presentation transcript:

Basic Computer Maintenance Chatham University Information Technology Team

How do you treat your car? You probably do at least the following: Oil changes, air filter changes, antifreeze fills etc. Why not treat your computer the same way? After all, it is an appliance (and costs as much as a used car).

Basic Terms Worms Trojans Viruses SpyWare AdWare OS LAN Network Cache IE (Internet Explorer) Browser

Virus vs. Worm A virus stays on your computer and your computer only. Worms crawl through networks. Unlike a worm, a virus cannot infect other computers without assistance. It is spread via trading programs with others (file sharing programs, ).

Spyware vs. Adware Symptoms: Sluggish Pc, Increased pop-ups, homepage changes, strange search results. Both are data miners, meaning they are looking for information. Both cause the above symptoms. Can lead to identity theft. 9 out of 10 pc’s are infected. Good place to look for info?

Spyware Removal You can try to do it manually- but is often very difficult. Often it can disrupt major computer processes. You can check out the following free programs: AdAware SpySweeper (both versions, free&pay) NOTE: Please be careful when downloading these tools, some programs claim to remove spyware, but instead, come with their own spyware embedded.

Top Spyware Threats PurityScan N-Case Gator CoolWebSearch Tansponder ISTbar/AUpdate KeenValue Internet Optimizer (bargain buddy) Perfect Keylogger TIBS Dialer For more information on these, visit: ot.com/spywareinf ormation/spywaret opthreats/

Antivirus VERY VERY IMPORTANT

Antivirus Programs Norton and McAffee come with many new computers for trial periods. After your “trial period” it will prompt you to buy the program. What you are paying for is to stay updated on virus definitions (meaning the # of viruses your antivirus is able to detect). If you don’t stay up-to-date, then your ability to ward off viruses and remove them becomes limited.

Antivirus Programs contd… Free programs exist: Avast! Antivirus BitDefender Antivir Chatham University requires any student with a computer on campus have updated and functioning virus protection on their computers.

Basic “Uncluttering” Steps Every web page you visit leaves its mark. Go to Control Panel  Internet Options  Then delete cookies, Temporary Internet Files, and History. This will keep your machine “fresh”.

In Conclusion… Be on the look out for unexpected attachments and pop-ups. Stay away from sites that always require you to download something. Have virus protection and a good Spyware detector program.