Share this Page URL

Chapter 26. Online Security Issues > Censoring Naughty Net Sites - Pg. 246

Online Security Issues 246 To obtain some real Internet security, you should install an antivirus program on your computer. Pick up a copy of McAfee VirusScan or Symantec's Symantec's Norton AntiVirus, and install it on your computer. After you install the program, it runs automatically on startup and scans your startup files for viruses. It also runs in the background, scanning any files you download and any files you open. If it detects a virus, the antivirus program notifies you and leads you through the process of eliminating the virus from your system. Keeping Hackers at Bay with a Firewall Whenever you are connected to the Internet, you run the risk of having a mischievous hacker break into your system, steal information, and even damage some files. Hackers rarely break into home PCs that are connected to the Internet by modem but if you have a DSL or cable modem connection, you should consider installing a firewall to prevent unauthorized access to your system. A firewall typically functions in one of two ways: It filters incoming and outgoing data to block anything that seems suspicious or it uses a proxy server between you and your Internet service provider to hide your computer making it much more difficult for a hacker to find it. If you connect to the Internet through your company's network, chances are the network adminis- trator set up a firewall to protect the network. If you connect to the Internet at home using a DSL or cable modem, you should consider installing your own firewall. You can download shareware ver- sions of firewall software at any of the popular Internet add-on sites, such as,, or Censoring Naughty Net Sites The Internet is a virtual world, providing access to the best that our society has to offer: literature,