8 essential privacy extensions for Firefox
They say privacy doesn't exist on the Web -- but that doesn't mean you can't try to safeguard your personal information. Our computers are loaded with details about our personal and business lives, and it's definitely not acceptable to reveal them haphazardly. With hackers becoming ever more sophisticated, you have to take precautions.
Another threat is the vast number of files that accumulate on your hard drive -- your browsing history, log-in cookies, cached pages and more -- that could be accessed either by someone who gets physical control over your machine or remotely by hackers who have installed malware on your system. This information can include banking details, credit card numbers, Web site passwords and records of your visits to potentially embarrassing sites.