<A target="_blank" href="http://www.pcworld.com/article/205828/survey_finds_low_use_of_microsoft_encryption_technology.html?tk=rss_news">Microsoft included the BitLocker hard disk encryption feature to Vista and Windows 7</A> operating systems to help you protect your data from breaches. But it doesn't seem to be used much. One survey has placed the implementation rate at under 2 percent.