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Use computer and internet safely Dave Dai 2008. Computer security. Malware Virus: a program that copies itself and infect a computer without permission or knowledge of the user.
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Computer security • Malware • Virus: a program that copies itself and infect a computer without permission or knowledge of the user. • Worm: a self-replicating computer program. It uses a network to send copies of itself to other computers on the network. Unlike a virus, it does not need to attach itself to an existing program. • Trojan: a program appears to perform a desirable function. • Rootkit: a computer virus which consists of a program to take fundamental control (in Unix terms "root" access, in Windows "Administrator" access) of a computer system. • Spyware: intercept or take partial control over the user's interaction with the computer; can collect various types of personal information, such as Internet surfing habit, sites that have been visited. • Adware: automatically plays, displays, or downloads advertisements. • Crimeware: a class of malware designed specifically to automate financial crime
Internet research and security • Browse Internet safely • Set your browser security to medium/medium-high • Add safe sites to trusted sites • Read e-mail messages in plain text • Block pop-up windows in your browser • Secure sites; Secure Data; online transaction; • Instant messenger, chatting
Email • Phishing (example) • Spam • MSU mail Spam Filter Process • Outlook spam filter setting • Virus • Free Anti virus software: AVG
Phishing examplesHow can we tell they are fake? • Appear to come from your bank, or company your know (such as Microsoft, or MSU mail team) • Spelling Mistakes • Incorrect Graphics • Ask for personal Information • The URL
Identity theft / Identity fraud • someone wrongfully obtains and uses another person's personal data • shoulder surfing • dumpster diving (preapproved" credit cards ) • Phishing emails • Internet traffic / network breach • Watch out when use/provide – be stingy (need to know): SSN, birth date, address, credit card number..
IE 7 popup blocker IE 7phishing filter
Basic PC protection • Strong password • Virus Scanning program features (Norton or NOD32); AVG for home use • Firewalls (turn on Windows built-in firewall) • Spyware & Adware removal (download and install “Windows Defender”) • Set the Internet browser security medium-high
Basic maintenance • “My computer does not work” (Be specific when report error; copy the error message). • Hard disk de-fragmentation • PC Restore and Recover • Restore PC performance • ***Useful free tools from Microsoft: Windows Sysinternals • ***Start application list; RUN MSCONFIG • Use AutoRun to see what will start automatically
Things to consider when you purchase a computer • CPU speed • Hard Drive size • Memory/RAM • DVD Drive • Video Card / web cam • External Connectors (USB 2.0, SATA) • College recommended vendor: Dell, IBM/Lenovo
Things to consider when you purchase a computer • Who is going to use it? • What is the priority? • Weight • Screen size • CPU power • Pricing • Timeline
Resources • College computer support website • MSU Help desk – Computer center RM120 • MSU computer store