Cult of the Dead Cow (cDc) released Goolag Scanner, a tool that helps people find vulnerabilities in Web sites using data gleaned from Google.
cDc said the tool is based in part on the work of Johnny Long, creator of the Google Hacking Database used by several other vulnerabilities scanners.
You can read more about Goolag Scanner in the specifications document. But be warned, the guys at cDc are prone to use a lot of foul language and they didn't fail to do so when writing out the specs...