Some incredibly fascinating events have transpired surrounding Google's presence in China that you can read about here. One paragraph stood out as clear, easy, and sensible ways to stay safe online:
"In terms of individual users, we would advise people to deploy reputable anti-virus and anti-spyware programs on their computers, to install patches for their operating systems and to update their web browsers. Always be cautious when clicking on links appearing in instant messages and emails, or when asked to share personal information like passwords online. You can read more here about our cyber-security recommendations."
It's a dangerous virtual world out there. Stay safe everybody!