We have received many reports lately of clients falling victim to phishing sites appearing in the ads, above the organic search results, of all of the major search engines.
Unfortunately, it seems to be easier to get an ad up than it is to have one taken down. Our efforts at reporting the malignant ads have, so far, only resulted in temporary removal. The matter is now in the hands of our legal team, who are seeking a more permanent cure..
http://blog.kraken.com/post/148976188862/kraken-phishing-warning