Search engine optimization (SEO) poisoning has been around for as long as internet users have been using search engines. The attack involves manipulating search engine results to drive users from legitimate websites to sites that serve up malware, identity theft tools and fake news. About 10,000 such websites targeted searches about Novembers U.S. midterm elections. The technique is most effective during special events like the Olympics, World Cup or an upcoming election, experts say. Users can protect themselves by using an up-to-date browser that warns them of insecure websites.”]
Source: https://securityintelligence.com/how-seo-poisoning-campaigns-are-mounting-a-comeback/