In addition to the points covered in this report, experts recommend keeping these factors in mind when selecting and using security software:

  • Reviewers recommend using a (wired or wireless) router with its own firewall as the first layer of protection, with firewall software as the second. This is worth consideration even if you don't have a network. (See the ConsumerSearch report on wireless routers for details.)
  • Though you have security software installed, you must still monitor your Internet behavior. Research before clicking on an ad or download, and don't open emails or attachments that look suspicious. Stay up to date about the latest Internet dangers by browsing computer news sites or subscribing to email alerts. (See the Useful Links section for recommendations.)
  • Disable file- and printer-sharing functions if you aren't using them. Although this feature is commonly used in office settings, most home users are unlikely to need it, and it is a common point of attack by hackers. This is an especially large risk if you use a wireless network or connect at Wi-Fi hotspots. File sharing and print sharing are disabled by default under Vista.
  • When choosing a firewall, be sure to check system requirements. Choose the correct version for your operating system. All up-to-date firewalls work with Windows XP, and Vista, but only a few work with older operating systems.
  • Update security software regularly. Be sure your software is set to check for updates automatically, preferably at least once a day. Most security software applications do this, but some free programs require manual updates.
  • After the firewall is installed, make sure it's working properly. Use one of the testing sites listed in our Useful Links section to make certain your firewall is working properly and is configured correctly.
  • Turn on auto-updates or regularly check the Microsoft website for security updates and patches to the Windows operating system. It doesn't take long for hackers to exploit vulnerabilities in Windows operating systems, and keeping your system up to date is the best foil.
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