How search engine poisoning works
Imperva disclosed the intricate workings of a Search Engine Poisoning (SEP) campaign. The attack was extremely successful and continued to run for at least 15 months without any apparent counter-measures employed by search engines.
This acutely illustrates how websites - often unbeknownst to their administrator - and Web search engines become the conduit for these types of attack and demonstrates that more needs to be done to stop malware being spread in this fashion.