Shielding your home computer from online threats is easier than you think. Try these defensive steps:
Update Your Operating System Whether you use the Windows or Mac operating system, it must be updated regularly to shore up your computer’s defenses. On a PC, go to “Windows Update” under the Start icon and click to install all security-related updates, advises Michael Poor of the SANS Institute, a computer-security training group. On a Mac, go to “Software Update” in your system Preferences. Set the feature to update automatically each week.
Install a Firewall Hackers can enter your computer if you don’t have a firewall in place, such as ZoneAlarm (zonelabs.com; free), which can warn you each time your computer accesses the Web.
Install Antivirus Software You need the most up-to-date antivirus programs to ensure your hard drive and e-mail are not infected. Two popular brands are Symantec’s Norton Antivirus (symantec.com; $49.95) and McAfee’s Internet Security Suite (mcafee.com; $49.99). Run the software weekly.
Fight Spyware Spyware enters your computer when you’re online, and reports your activities to companies that then try to sell you products. To remove spyware, download an anti-spyware program such as AD-Aware (www.lavasoftusa.com; free. Run the program daily.
Changes Web Browsers Viruses that enter your machine via Internet Explorer can do serous damage, says Poor. Consider trying a free alternative such as Firefox, available at mozilla.org.
Live long and prosper.
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