According to the author, reducing the risk to our private data is

         Up to a couple of years ago, I used to say that the average person could protect his or her privacy on the Web. Even as the founder of an online reputation-management company, I believed it was possible – so long as you were willing to commit some time doing it. Today, I tell people this: the landscape of personal data mining and exploitation is shifting faster than ever; trying to protect your online privacy is like trying to build your own antivirus software – really, really diffi cult. But whether or not you have the time (or money) to invest in the pros, there are a few simple steps we can all take to reduce the risk to our private data.

Identity thieves use birth dates as cornerstones of their craft. If you want your friends to know your birthday, try just the month and day, and leave out the year.

Keep your usernames and passwords for social networks, online banking, e-mail, and online shopping all separate. Having distinct passwords is not enough nowadays: if you have the same username across different Web sites, your entire life can be mapped and re-created with simple algorithms.

If you are going to throw away credit-card offers, bank statements, or anything else that might come in hard copy to your house, rip them up into tiny bits first.