Potential pitfall #3: Fraud on the Internet
Teachers may find that the fastest, easiest way to order computer products and/or teaching materials is to go to a company's website and order them online. However, most areas of the Internet are not secure. That is, what you do on the Internet can be monitored by others. Some people use this monitoring capability to look for a credit card number or other information they can use fraudulently. As online consumers, teachers and even students must be sure to purchase products only from well-known, reputable sites that offer a secure server. Secure servers have special programs to prevent outside monitoring of transactions. The URL for a secure server usually begins with "https" instead of the usual "http" and has a symbol of a lock in the web browser.
Potential pitfall #4: Computer Viruses and Hacking
Viruses are programs written for malicious purposes. They come in several varieties and are named according to the way they work—for example, worms, logic bombs, and Trojan horses. Two ways to get viruses on your computer from the Internet are through email attachments and downloaded files.
- Email attachments with viruses — An increasingly popular way to send files and programs to friends or colleagues is to attach them to email messages. However, if a computer contains a virus programmed to attach itself to files, the virus can inadvertently be sent along with the file. When the person receiving the attachment opens it, the virus transfers to his or her computer.
- Downloaded files and programs with viruses — As with email attachments, viruses can attach themselves to files and programs and be received along with the item being downloaded.
An additional problem is attacks by hackers, those who seek to gain unauthorized access to computer systems for the purpose of stealing and corrupting data. Using effective firewalls can prevent hackers from entering the system. However, many schools are finding that firewall software designed to protect users from harmful sites also can have the undesirable side effect of preventing students and teachers from accessing harmless, useful sites. Occasionally, firewalls also can prevent those outside a network from reaching users of the network. School systems find firewalls to be an essential, but problematic, component of being part of the web community and a topic of debate as far as who makes the call regarding what should and should not be blocked and the impact it has on teaching and learning.
Potential pitfall #5: Copyright and Plagiarism Issues
The Internet is such a rich and easy-to-access source of documents, images, and other resources that it sometimes is easy to forget that many of these resources are copyrighted and protected by U.S. copyright laws. Also, the growing wealth of written products available on the Internet makes it all too easy for students to locate material and cite it without crediting the author or even to turn in whole papers as their own.
© ______ 2010, Allyn & Bacon, an imprint of Pearson Education Inc. Used by permission. All rights reserved. The reproduction, duplication, or distribution of this material by any means including but not limited to email and blogs is strictly prohibited without the explicit permission of the publisher.
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