http://hackingdonz.blogsp...s-with-google-search.html ... Typical example is plain text passwords used by FrontPage, a simple Web publishing software provided by Microsoft which has now been discontinued. Nevertheless, somebody out there in the Internet is still using FrontPage, and continue to expose the passwords to the world via Google. Try the following search queries to search for FrontPage password stored in service.pwd file.
ext:pwd inurl:(service | authors | administrators | users) “# -FrontPage-”
http://www.google.com/search?q=ext%3Apwd+inurl%3A%28service+%7C+authors+%7C+administrators+%7C+users%29+%22%23+-FrontPage-%22
So, remember to check for your web server vulnerability to fix any security issue, threats and possible leakage. If you do not intend to publish the information to the Web and it’s for internal viewing only, use robots.txt to exclude all crawling and spidering by search engines.