 Security researcher Dan Kaminsky found serious vulnerabilities related to how Paxfire was handling DNS resolution.In August 2011, Paxfire and one of its ISP customers were sued for the hijacking and redirection of customers' valid search requests intended for Google, Bing, and Yahoo search engines.The lawsuit alleges that results for searches of certain well-known brand names by consumers are not being provided by the intended search engine, and instead are being provided through affiliate marketing networks to earn revenue for Paxfire and the ISP.