The Web Browser is Essential to Your Computer's Security by Richard Rogers
For most people, the web browser is central to what you do on your computer. Companies are increasingly putting more and more services on the web and are encouraging their customers online. Securing your web browser is a vital part of surfing the web safely and keeping your computer free of... You can do this manually through your browser’s Options menu or use a free software tool like CCleaner which is highly recommended. ... Hackers exploit vulnerabilities in the software to steal personal information and take control of your computer.

Do You Have Something To Hide? Here's How by David Bolton
In these post 9/11 days, intrusion and lack of privacy are often justified by the glib phrase "If you have nothing to hide why worry?" Yet all of us at some time or other have something to hide without being a criminal. What if you’re planning a surprise party, buying presents or arranging a... Using Truecrypt is of course no excuse to avoid the usual security processes like firewalls and anti-virus. ... Even if you trust your firewall, anti- spy ware, etc, what if your pc or laptop was stolen? ... Unusually for software of this complexity, Truecrypt is very easy to use.