Transcript tg5
TECHNOLOGY GUIDE FIVE Basics of the Internet and the World Wide Web TECHNOLOGY GUIDE OUTLINE TG5.1 The Internet TG5.2 The World Wide Web LEARNING OBJECTIVES • Differentiate among the Internet, the World Wide Web, intranets, and extranets. • Describe how the Internet operates. • Discuss the various ways to connect to the Internet. • Describe the parts of an Internet address. The Internet • The Internet – Intranet – Extranet – Darknet Protect Your Internet Assets • Know your Internet-accessible assets – Everything in the “cloud” – Everything you send or receive • • • • Texts E-mails Blogs Photos Nothing is ever completely erased from your Internet identity Credit Help • Get your picture on your credit and/or debit cards • Write “require photo ID check” on the back of the card where it asks for a signature • Check your credit report – www.equifax.com – www.transunion.com – www.experian.com More Credit Help • Annual Credit Report • FDIC (Federal Deposit Insurance Corporation) • Companies – LifeLock – TrustedID – CardCops Avoid Trouble • Keep organized • Check all monthly statements, more often if you have online access • Use a separate credit card for online purchases and use it only for online purchases • Never store your credit card information at a web site Never Never Never Never Things to Do • Browse anonymously – Chrome (CtrlShiftN) – Internet Explorer (http://browsers.about.com/od/faq/tp/Anonymous-Browsing.htm) • Delete your browsing history • Know the “tools” in your browser Is Your Computer Infected? • McAfee (www.mcafee.com) • AVG (www.avg.com) • www.uncw.edu/itsd What Does A Firewall Do? • Permits or denies data traffic from another computer based upon – Outbound communications that you do not initiate – Disables or at least requires you to accept letting programs from other sites execute on your computer while you are in a browser (ActiveX and JavaScript are the two main types of programs) c|net Install Updates • To all of your devices that connect to the Internet • Updates almost certainly address security issues in addition to other issues listed for the update by the vendor • Hackers live for update alerts and the users that ignore them Read About IE 9 • The features of Internet Explorer 9 are well documented on pages 442 through 444 Proxy Servers • Anonymous surfing (www.anonymous.org) Accessing the Internet • • • • • • • • • Connecting via an online service Internet kiosks Dial-up ISDN DSL Cable Modem Satellite Wireless Fiber to the home Addresses on the Internet • Domain names – Top-level domain – Name of the organization – Name of the specific computer The World Wide Web • The World Wide Web – Home page – Uniform resource locator