Recently, hackers have stolen millions of user passwords on Yahoo, Twitter, Facebook and Google. Most of the victims are from the Netherlands, Indonesia, Singapore and Germany, and many of these are those that use easy to guess passwords. For protection, use good passwords that are consist of at least eight characters. Use a combination of characters that include lower and uppers cases as well as symbols. Do not use the same password in all your sites. Change your passwords as often as you can. Check the complete set of tips found from the source.
Source: CBS News